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Finding the Fourth Proportional to 688,581.65, 950,266.60 and 382,670.92

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Solution

The fourth proportional to 688,581.65, 950,266.60 and 382,670.92 is: 528,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,581.65 : 950,266.60 = 382,670.92 : x
  2. Step 2: Convert to fraction form
    688,581.65/950,266.60 = 382,670.92/x
  3. Step 3: Cross multiply
    688,581.65x = 950,266.60 × 382,670.92
  4. Step 4: Simplify right side
    688,581.65x = 363,639,394,067.27
  5. Step 5: Solve for x
    x = 363,639,394,067.27/688,581.65
  6. Step 6: Final answer
    x = 528,099.16

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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.