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Finding the Fourth Proportional to 437,646.32, 655,769.52 and 395,655.92

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Solution

The fourth proportional to 437,646.32, 655,769.52 and 395,655.92 is: 592,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,646.32 : 655,769.52 = 395,655.92 : x
  2. Step 2: Convert to fraction form
    437,646.32/655,769.52 = 395,655.92/x
  3. Step 3: Cross multiply
    437,646.32x = 655,769.52 × 395,655.92
  4. Step 4: Simplify right side
    437,646.32x = 259,459,092,743.56
  5. Step 5: Solve for x
    x = 259,459,092,743.56/437,646.32
  6. Step 6: Final answer
    x = 592,851.08

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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.