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Finding the Fourth Proportional to 534,366.76, 737,925.60 and 343,711.12

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Solution

The fourth proportional to 534,366.76, 737,925.60 and 343,711.12 is: 474,642.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,366.76 : 737,925.60 = 343,711.12 : x
  2. Step 2: Convert to fraction form
    534,366.76/737,925.60 = 343,711.12/x
  3. Step 3: Cross multiply
    534,366.76x = 737,925.60 × 343,711.12
  4. Step 4: Simplify right side
    534,366.76x = 253,633,234,452.67
  5. Step 5: Solve for x
    x = 253,633,234,452.67/534,366.76
  6. Step 6: Final answer
    x = 474,642.61

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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.