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Finding the Fourth Proportional to 342,573.56, 514,007.28 and 132,359.12

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Solution

The fourth proportional to 342,573.56, 514,007.28 and 132,359.12 is: 198,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,573.56 : 514,007.28 = 132,359.12 : x
  2. Step 2: Convert to fraction form
    342,573.56/514,007.28 = 132,359.12/x
  3. Step 3: Cross multiply
    342,573.56x = 514,007.28 × 132,359.12
  4. Step 4: Simplify right side
    342,573.56x = 68,033,551,254.39
  5. Step 5: Solve for x
    x = 68,033,551,254.39/342,573.56
  6. Step 6: Final answer
    x = 198,595.45

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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.