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Finding the Fourth Proportional to 648,195.60, 970,219.80 and 598,429.20

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Solution

The fourth proportional to 648,195.60, 970,219.80 and 598,429.20 is: 895,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,195.60 : 970,219.80 = 598,429.20 : x
  2. Step 2: Convert to fraction form
    648,195.60/970,219.80 = 598,429.20/x
  3. Step 3: Cross multiply
    648,195.60x = 970,219.80 × 598,429.20
  4. Step 4: Simplify right side
    648,195.60x = 580,607,858,738.16
  5. Step 5: Solve for x
    x = 580,607,858,738.16/648,195.60
  6. Step 6: Final answer
    x = 895,729.40

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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.