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Finding the Fourth Proportional to 537,712.40, 807,151.80 and 301,516.40

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Solution

The fourth proportional to 537,712.40, 807,151.80 and 301,516.40 is: 452,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,712.40 : 807,151.80 = 301,516.40 : x
  2. Step 2: Convert to fraction form
    537,712.40/807,151.80 = 301,516.40/x
  3. Step 3: Cross multiply
    537,712.40x = 807,151.80 × 301,516.40
  4. Step 4: Simplify right side
    537,712.40x = 243,369,504,989.52
  5. Step 5: Solve for x
    x = 243,369,504,989.52/537,712.40
  6. Step 6: Final answer
    x = 452,601.62

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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.