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Finding the Fourth Proportional to 615,024.30, 922,536.45 and 415,958.70

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Solution

The fourth proportional to 615,024.30, 922,536.45 and 415,958.70 is: 623,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,024.30 : 922,536.45 = 415,958.70 : x
  2. Step 2: Convert to fraction form
    615,024.30/922,536.45 = 415,958.70/x
  3. Step 3: Cross multiply
    615,024.30x = 922,536.45 × 415,958.70
  4. Step 4: Simplify right side
    615,024.30x = 383,737,062,444.62
  5. Step 5: Solve for x
    x = 383,737,062,444.62/615,024.30
  6. Step 6: Final answer
    x = 623,938.05

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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.