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Finding the Fourth Proportional to 354,981.60, 532,395.60 and 155,301.60

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Solution

The fourth proportional to 354,981.60, 532,395.60 and 155,301.60 is: 232,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,981.60 : 532,395.60 = 155,301.60 : x
  2. Step 2: Convert to fraction form
    354,981.60/532,395.60 = 155,301.60/x
  3. Step 3: Cross multiply
    354,981.60x = 532,395.60 × 155,301.60
  4. Step 4: Simplify right side
    354,981.60x = 82,681,888,512.96
  5. Step 5: Solve for x
    x = 82,681,888,512.96/354,981.60
  6. Step 6: Final answer
    x = 232,918.80

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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.