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Finding the Fourth Proportional to 260,397.60, 359,351.52 and 152,972.16

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Solution

The fourth proportional to 260,397.60, 359,351.52 and 152,972.16 is: 211,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,397.60 : 359,351.52 = 152,972.16 : x
  2. Step 2: Convert to fraction form
    260,397.60/359,351.52 = 152,972.16/x
  3. Step 3: Cross multiply
    260,397.60x = 359,351.52 × 152,972.16
  4. Step 4: Simplify right side
    260,397.60x = 54,970,778,213.68
  5. Step 5: Solve for x
    x = 54,970,778,213.68/260,397.60
  6. Step 6: Final answer
    x = 211,103.24

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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.