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Finding the Fourth Proportional to 557,377.55, 836,287.85 and 178,356.68

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Solution

The fourth proportional to 557,377.55, 836,287.85 and 178,356.68 is: 267,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,377.55 : 836,287.85 = 178,356.68 : x
  2. Step 2: Convert to fraction form
    557,377.55/836,287.85 = 178,356.68/x
  3. Step 3: Cross multiply
    557,377.55x = 836,287.85 × 178,356.68
  4. Step 4: Simplify right side
    557,377.55x = 149,157,520,714.79
  5. Step 5: Solve for x
    x = 149,157,520,714.79/557,377.55
  6. Step 6: Final answer
    x = 267,605.90

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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.