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Finding the Fourth Proportional to 370,761.60, 556,660.80 and 230,793.60

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Solution

The fourth proportional to 370,761.60, 556,660.80 and 230,793.60 is: 346,513.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,761.60 : 556,660.80 = 230,793.60 : x
  2. Step 2: Convert to fraction form
    370,761.60/556,660.80 = 230,793.60/x
  3. Step 3: Cross multiply
    370,761.60x = 556,660.80 × 230,793.60
  4. Step 4: Simplify right side
    370,761.60x = 128,473,750,010.88
  5. Step 5: Solve for x
    x = 128,473,750,010.88/370,761.60
  6. Step 6: Final answer
    x = 346,513.10

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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.