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Finding the Fourth Proportional to 688,782.60, 950,519.16 and 382,849.32

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Solution

The fourth proportional to 688,782.60, 950,519.16 and 382,849.32 is: 528,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,782.60 : 950,519.16 = 382,849.32 : x
  2. Step 2: Convert to fraction form
    688,782.60/950,519.16 = 382,849.32/x
  3. Step 3: Cross multiply
    688,782.60x = 950,519.16 × 382,849.32
  4. Step 4: Simplify right side
    688,782.60x = 363,905,614,052.97
  5. Step 5: Solve for x
    x = 363,905,614,052.97/688,782.60
  6. Step 6: Final answer
    x = 528,331.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.