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Finding the Fourth Proportional to 473,691.28, 709,263.68 and 360,833.88

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Solution

The fourth proportional to 473,691.28, 709,263.68 and 360,833.88 is: 540,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,691.28 : 709,263.68 = 360,833.88 : x
  2. Step 2: Convert to fraction form
    473,691.28/709,263.68 = 360,833.88/x
  3. Step 3: Cross multiply
    473,691.28x = 709,263.68 × 360,833.88
  4. Step 4: Simplify right side
    473,691.28x = 255,926,364,695.39
  5. Step 5: Solve for x
    x = 255,926,364,695.39/473,691.28
  6. Step 6: Final answer
    x = 540,280.93

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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.