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Finding the Fourth Proportional to 452,646.71, 624,706.78 and 271,458.32

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Solution

The fourth proportional to 452,646.71, 624,706.78 and 271,458.32 is: 374,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,646.71 : 624,706.78 = 271,458.32 : x
  2. Step 2: Convert to fraction form
    452,646.71/624,706.78 = 271,458.32/x
  3. Step 3: Cross multiply
    452,646.71x = 624,706.78 × 271,458.32
  4. Step 4: Simplify right side
    452,646.71x = 169,581,853,874.53
  5. Step 5: Solve for x
    x = 169,581,853,874.53/452,646.71
  6. Step 6: Final answer
    x = 374,645.06

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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.