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Finding the Fourth Proportional to 454,374.42, 627,039.12 and 260,766.66

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Solution

The fourth proportional to 454,374.42, 627,039.12 and 260,766.66 is: 359,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,374.42 : 627,039.12 = 260,766.66 : x
  2. Step 2: Convert to fraction form
    454,374.42/627,039.12 = 260,766.66/x
  3. Step 3: Cross multiply
    454,374.42x = 627,039.12 × 260,766.66
  4. Step 4: Simplify right side
    454,374.42x = 163,510,897,011.74
  5. Step 5: Solve for x
    x = 163,510,897,011.74/454,374.42
  6. Step 6: Final answer
    x = 359,859.38

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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.