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Finding the Fourth Proportional to 615,244.20, 922,866.30 and 606,949.80

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Solution

The fourth proportional to 615,244.20, 922,866.30 and 606,949.80 is: 910,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,244.20 : 922,866.30 = 606,949.80 : x
  2. Step 2: Convert to fraction form
    615,244.20/922,866.30 = 606,949.80/x
  3. Step 3: Cross multiply
    615,244.20x = 922,866.30 × 606,949.80
  4. Step 4: Simplify right side
    615,244.20x = 560,133,516,211.74
  5. Step 5: Solve for x
    x = 560,133,516,211.74/615,244.20
  6. Step 6: Final answer
    x = 910,424.70

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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.