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Finding the Fourth Proportional to 615,023.80, 922,535.70 and 415,958.20

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Solution

The fourth proportional to 615,023.80, 922,535.70 and 415,958.20 is: 623,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,023.80 : 922,535.70 = 415,958.20 : x
  2. Step 2: Convert to fraction form
    615,023.80/922,535.70 = 415,958.20/x
  3. Step 3: Cross multiply
    615,023.80x = 922,535.70 × 415,958.20
  4. Step 4: Simplify right side
    615,023.80x = 383,736,289,207.74
  5. Step 5: Solve for x
    x = 383,736,289,207.74/615,023.80
  6. Step 6: Final answer
    x = 623,937.30

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Similar ratio
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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.