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Finding the Fourth Proportional to 615,052.80, 922,579.20 and 377,625.60

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Solution

The fourth proportional to 615,052.80, 922,579.20 and 377,625.60 is: 566,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,052.80 : 922,579.20 = 377,625.60 : x
  2. Step 2: Convert to fraction form
    615,052.80/922,579.20 = 377,625.60/x
  3. Step 3: Cross multiply
    615,052.80x = 922,579.20 × 377,625.60
  4. Step 4: Simplify right side
    615,052.80x = 348,389,523,947.52
  5. Step 5: Solve for x
    x = 348,389,523,947.52/615,052.80
  6. Step 6: Final answer
    x = 566,438.40

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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.