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Finding the Fourth Proportional to 615,030.60, 922,545.90 and 544,528.20

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Solution

The fourth proportional to 615,030.60, 922,545.90 and 544,528.20 is: 816,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,030.60 : 922,545.90 = 544,528.20 : x
  2. Step 2: Convert to fraction form
    615,030.60/922,545.90 = 544,528.20/x
  3. Step 3: Cross multiply
    615,030.60x = 922,545.90 × 544,528.20
  4. Step 4: Simplify right side
    615,030.60x = 502,352,258,344.38
  5. Step 5: Solve for x
    x = 502,352,258,344.38/615,030.60
  6. Step 6: Final answer
    x = 816,792.30

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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.