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Finding the Fourth Proportional to 688,446.50, 950,053.11 and 382,572.68

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Solution

The fourth proportional to 688,446.50, 950,053.11 and 382,572.68 is: 527,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,446.50 : 950,053.11 = 382,572.68 : x
  2. Step 2: Convert to fraction form
    688,446.50/950,053.11 = 382,572.68/x
  3. Step 3: Cross multiply
    688,446.50x = 950,053.11 × 382,572.68
  4. Step 4: Simplify right side
    688,446.50x = 363,464,364,435.04
  5. Step 5: Solve for x
    x = 363,464,364,435.04/688,446.50
  6. Step 6: Final answer
    x = 527,948.60

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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.