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Finding the Fourth Proportional to 507,283.37, 760,564.64 and 254,381.42

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Solution

The fourth proportional to 507,283.37, 760,564.64 and 254,381.42 is: 381,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,283.37 : 760,564.64 = 254,381.42 : x
  2. Step 2: Convert to fraction form
    507,283.37/760,564.64 = 254,381.42/x
  3. Step 3: Cross multiply
    507,283.37x = 760,564.64 × 254,381.42
  4. Step 4: Simplify right side
    507,283.37x = 193,473,509,322.17
  5. Step 5: Solve for x
    x = 193,473,509,322.17/507,283.37
  6. Step 6: Final answer
    x = 381,391.39

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.