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Finding the Fourth Proportional to 648,193.60, 970,216.80 and 598,427.20

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Solution

The fourth proportional to 648,193.60, 970,216.80 and 598,427.20 is: 895,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,193.60 : 970,216.80 = 598,427.20 : x
  2. Step 2: Convert to fraction form
    648,193.60/970,216.80 = 598,427.20/x
  3. Step 3: Cross multiply
    648,193.60x = 970,216.80 × 598,427.20
  4. Step 4: Simplify right side
    648,193.60x = 580,604,123,016.96
  5. Step 5: Solve for x
    x = 580,604,123,016.96/648,193.60
  6. Step 6: Final answer
    x = 895,726.40

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1.5x scale

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.