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Finding the Fourth Proportional to 484,255.71, 667,874.93 and 429,847.61

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Solution

The fourth proportional to 484,255.71, 667,874.93 and 429,847.61 is: 592,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,255.71 : 667,874.93 = 429,847.61 : x
  2. Step 2: Convert to fraction form
    484,255.71/667,874.93 = 429,847.61/x
  3. Step 3: Cross multiply
    484,255.71x = 667,874.93 × 429,847.61
  4. Step 4: Simplify right side
    484,255.71x = 287,084,436,950.81
  5. Step 5: Solve for x
    x = 287,084,436,950.81/484,255.71
  6. Step 6: Final answer
    x = 592,836.45

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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.