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Finding the Fourth Proportional to 354,876.60, 532,314.90 and 255,732.60

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Solution

The fourth proportional to 354,876.60, 532,314.90 and 255,732.60 is: 383,598.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,876.60 : 532,314.90 = 255,732.60 : x
  2. Step 2: Convert to fraction form
    354,876.60/532,314.90 = 255,732.60/x
  3. Step 3: Cross multiply
    354,876.60x = 532,314.90 × 255,732.60
  4. Step 4: Simplify right side
    354,876.60x = 136,130,273,395.74
  5. Step 5: Solve for x
    x = 136,130,273,395.74/354,876.60
  6. Step 6: Final answer
    x = 383,598.90

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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.