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Finding the Fourth Proportional to 535,156.24, 801,159.69 and 357,221.92

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Solution

The fourth proportional to 535,156.24, 801,159.69 and 357,221.92 is: 534,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,156.24 : 801,159.69 = 357,221.92 : x
  2. Step 2: Convert to fraction form
    535,156.24/801,159.69 = 357,221.92/x
  3. Step 3: Cross multiply
    535,156.24x = 801,159.69 × 357,221.92
  4. Step 4: Simplify right side
    535,156.24x = 286,191,802,688.41
  5. Step 5: Solve for x
    x = 286,191,802,688.41/535,156.24
  6. Step 6: Final answer
    x = 534,781.77

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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.