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Finding the Fourth Proportional to 627,953.40, 866,598.50 and 359,733.24

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Solution

The fourth proportional to 627,953.40, 866,598.50 and 359,733.24 is: 496,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,953.40 : 866,598.50 = 359,733.24 : x
  2. Step 2: Convert to fraction form
    627,953.40/866,598.50 = 359,733.24/x
  3. Step 3: Cross multiply
    627,953.40x = 866,598.50 × 359,733.24
  4. Step 4: Simplify right side
    627,953.40x = 311,744,284,385.47
  5. Step 5: Solve for x
    x = 311,744,284,385.47/627,953.40
  6. Step 6: Final answer
    x = 496,444.93

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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.