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Finding the Fourth Proportional to 504,451.38, 696,148.29 and 278,104.98

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Solution

The fourth proportional to 504,451.38, 696,148.29 and 278,104.98 is: 383,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,451.38 : 696,148.29 = 278,104.98 : x
  2. Step 2: Convert to fraction form
    504,451.38/696,148.29 = 278,104.98/x
  3. Step 3: Cross multiply
    504,451.38x = 696,148.29 × 278,104.98
  4. Step 4: Simplify right side
    504,451.38x = 193,602,306,267.48
  5. Step 5: Solve for x
    x = 193,602,306,267.48/504,451.38
  6. Step 6: Final answer
    x = 383,787.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.