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Finding the Fourth Proportional to 407,877.15, 611,605.57 and 183,044.85

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Solution

The fourth proportional to 407,877.15, 611,605.57 and 183,044.85 is: 274,472.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,877.15 : 611,605.57 = 183,044.85 : x
  2. Step 2: Convert to fraction form
    407,877.15/611,605.57 = 183,044.85/x
  3. Step 3: Cross multiply
    407,877.15x = 611,605.57 × 183,044.85
  4. Step 4: Simplify right side
    407,877.15x = 111,951,247,411.89
  5. Step 5: Solve for x
    x = 111,951,247,411.89/407,877.15
  6. Step 6: Final answer
    x = 274,472.95

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1.5x scale

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.