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Finding the Fourth Proportional to 627,953.89, 866,599.18 and 359,733.73

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Solution

The fourth proportional to 627,953.89, 866,599.18 and 359,733.73 is: 496,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,953.89 : 866,599.18 = 359,733.73 : x
  2. Step 2: Convert to fraction form
    627,953.89/866,599.18 = 359,733.73/x
  3. Step 3: Cross multiply
    627,953.89x = 866,599.18 × 359,733.73
  4. Step 4: Simplify right side
    627,953.89x = 311,744,955,436.34
  5. Step 5: Solve for x
    x = 311,744,955,436.34/627,953.89
  6. Step 6: Final answer
    x = 496,445.62

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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.