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Finding the Fourth Proportional to 358,507.60, 537,761.40 and 265,195.60

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Solution

The fourth proportional to 358,507.60, 537,761.40 and 265,195.60 is: 397,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,507.60 : 537,761.40 = 265,195.60 : x
  2. Step 2: Convert to fraction form
    358,507.60/537,761.40 = 265,195.60/x
  3. Step 3: Cross multiply
    358,507.60x = 537,761.40 × 265,195.60
  4. Step 4: Simplify right side
    358,507.60x = 142,611,957,129.84
  5. Step 5: Solve for x
    x = 142,611,957,129.84/358,507.60
  6. Step 6: Final answer
    x = 397,793.40

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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.