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Finding the Fourth Proportional to 582,149.04, 803,025.17 and 378,335.71

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Solution

The fourth proportional to 582,149.04, 803,025.17 and 378,335.71 is: 521,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,149.04 : 803,025.17 = 378,335.71 : x
  2. Step 2: Convert to fraction form
    582,149.04/803,025.17 = 378,335.71/x
  3. Step 3: Cross multiply
    582,149.04x = 803,025.17 × 378,335.71
  4. Step 4: Simplify right side
    582,149.04x = 303,813,096,112.50
  5. Step 5: Solve for x
    x = 303,813,096,112.50/582,149.04
  6. Step 6: Final answer
    x = 521,881.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.