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Finding the Fourth Proportional to 472,359.38, 708,539.58 and 117,373.40

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Solution

The fourth proportional to 472,359.38, 708,539.58 and 117,373.40 is: 176,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,359.38 : 708,539.58 = 117,373.40 : x
  2. Step 2: Convert to fraction form
    472,359.38/708,539.58 = 117,373.40/x
  3. Step 3: Cross multiply
    472,359.38x = 708,539.58 × 117,373.40
  4. Step 4: Simplify right side
    472,359.38x = 83,163,695,996.47
  5. Step 5: Solve for x
    x = 83,163,695,996.47/472,359.38
  6. Step 6: Final answer
    x = 176,060.22

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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.