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Finding the Fourth Proportional to 537,132.60, 804,726.90 and 256,030.20

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Solution

The fourth proportional to 537,132.60, 804,726.90 and 256,030.20 is: 383,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,132.60 : 804,726.90 = 256,030.20 : x
  2. Step 2: Convert to fraction form
    537,132.60/804,726.90 = 256,030.20/x
  3. Step 3: Cross multiply
    537,132.60x = 804,726.90 × 256,030.20
  4. Step 4: Simplify right side
    537,132.60x = 206,034,389,152.38
  5. Step 5: Solve for x
    x = 206,034,389,152.38/537,132.60
  6. Step 6: Final answer
    x = 383,581.99

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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.