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Finding the Fourth Proportional to 615,034.60, 922,551.90 and 544,532.20

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Solution

The fourth proportional to 615,034.60, 922,551.90 and 544,532.20 is: 816,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,034.60 : 922,551.90 = 544,532.20 : x
  2. Step 2: Convert to fraction form
    615,034.60/922,551.90 = 544,532.20/x
  3. Step 3: Cross multiply
    615,034.60x = 922,551.90 × 544,532.20
  4. Step 4: Simplify right side
    615,034.60x = 502,359,215,721.18
  5. Step 5: Solve for x
    x = 502,359,215,721.18/615,034.60
  6. Step 6: Final answer
    x = 816,798.30

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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.