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Finding the Fourth Proportional to 507,646.80, 761,470.20 and 464,101.20

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Solution

The fourth proportional to 507,646.80, 761,470.20 and 464,101.20 is: 696,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,646.80 : 761,470.20 = 464,101.20 : x
  2. Step 2: Convert to fraction form
    507,646.80/761,470.20 = 464,101.20/x
  3. Step 3: Cross multiply
    507,646.80x = 761,470.20 × 464,101.20
  4. Step 4: Simplify right side
    507,646.80x = 353,399,233,584.24
  5. Step 5: Solve for x
    x = 353,399,233,584.24/507,646.80
  6. Step 6: Final answer
    x = 696,151.80

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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.