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Finding the Fourth Proportional to 688,468.44, 950,066.10 and 382,537.20

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Solution

The fourth proportional to 688,468.44, 950,066.10 and 382,537.20 is: 527,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,468.44 : 950,066.10 = 382,537.20 : x
  2. Step 2: Convert to fraction form
    688,468.44/950,066.10 = 382,537.20/x
  3. Step 3: Cross multiply
    688,468.44x = 950,066.10 × 382,537.20
  4. Step 4: Simplify right side
    688,468.44x = 363,435,625,708.92
  5. Step 5: Solve for x
    x = 363,435,625,708.92/688,468.44
  6. Step 6: Final answer
    x = 527,890.03

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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.