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Finding the Fourth Proportional to 354,815.60, 532,223.40 and 275,500.40

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Solution

The fourth proportional to 354,815.60, 532,223.40 and 275,500.40 is: 413,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,815.60 : 532,223.40 = 275,500.40 : x
  2. Step 2: Convert to fraction form
    354,815.60/532,223.40 = 275,500.40/x
  3. Step 3: Cross multiply
    354,815.60x = 532,223.40 × 275,500.40
  4. Step 4: Simplify right side
    354,815.60x = 146,627,759,589.36
  5. Step 5: Solve for x
    x = 146,627,759,589.36/354,815.60
  6. Step 6: Final answer
    x = 413,250.60

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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.