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Finding the Fourth Proportional to 650,772.90, 975,175.20 and 550,389.60

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Solution

The fourth proportional to 650,772.90, 975,175.20 and 550,389.60 is: 824,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,772.90 : 975,175.20 = 550,389.60 : x
  2. Step 2: Convert to fraction form
    650,772.90/975,175.20 = 550,389.60/x
  3. Step 3: Cross multiply
    650,772.90x = 975,175.20 × 550,389.60
  4. Step 4: Simplify right side
    650,772.90x = 536,726,288,257.92
  5. Step 5: Solve for x
    x = 536,726,288,257.92/650,772.90
  6. Step 6: Final answer
    x = 824,752.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.