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Finding the Fourth Proportional to 537,878.87, 802,882.95 and 474,035.90

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Solution

The fourth proportional to 537,878.87, 802,882.95 and 474,035.90 is: 707,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,878.87 : 802,882.95 = 474,035.90 : x
  2. Step 2: Convert to fraction form
    537,878.87/802,882.95 = 474,035.90/x
  3. Step 3: Cross multiply
    537,878.87x = 802,882.95 × 474,035.90
  4. Step 4: Simplify right side
    537,878.87x = 380,595,339,672.22
  5. Step 5: Solve for x
    x = 380,595,339,672.22/537,878.87
  6. Step 6: Final answer
    x = 707,585.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.