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Finding the Fourth Proportional to 507,666.24, 761,439.96 and 204,048.24

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Solution

The fourth proportional to 507,666.24, 761,439.96 and 204,048.24 is: 306,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,666.24 : 761,439.96 = 204,048.24 : x
  2. Step 2: Convert to fraction form
    507,666.24/761,439.96 = 204,048.24/x
  3. Step 3: Cross multiply
    507,666.24x = 761,439.96 × 204,048.24
  4. Step 4: Simplify right side
    507,666.24x = 155,370,483,703.67
  5. Step 5: Solve for x
    x = 155,370,483,703.67/507,666.24
  6. Step 6: Final answer
    x = 306,048.49

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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.