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Finding the Fourth Proportional to 688,487.44, 950,110.76 and 382,562.56

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Solution

The fourth proportional to 688,487.44, 950,110.76 and 382,562.56 is: 527,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,487.44 : 950,110.76 = 382,562.56 : x
  2. Step 2: Convert to fraction form
    688,487.44/950,110.76 = 382,562.56/x
  3. Step 3: Cross multiply
    688,487.44x = 950,110.76 × 382,562.56
  4. Step 4: Simplify right side
    688,487.44x = 363,476,804,629.15
  5. Step 5: Solve for x
    x = 363,476,804,629.15/688,487.44
  6. Step 6: Final answer
    x = 527,935.27

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Double scale
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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.