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Finding the Fourth Proportional to 507,283.25, 760,564.46 and 254,381.30

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Solution

The fourth proportional to 507,283.25, 760,564.46 and 254,381.30 is: 381,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,283.25 : 760,564.46 = 254,381.30 : x
  2. Step 2: Convert to fraction form
    507,283.25/760,564.46 = 254,381.30/x
  3. Step 3: Cross multiply
    507,283.25x = 760,564.46 × 254,381.30
  4. Step 4: Simplify right side
    507,283.25x = 193,473,370,993.87
  5. Step 5: Solve for x
    x = 193,473,370,993.87/507,283.25
  6. Step 6: Final answer
    x = 381,391.21

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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.