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Finding the Fourth Proportional to 360,597.52, 497,609.40 and 197,251.36

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Solution

The fourth proportional to 360,597.52, 497,609.40 and 197,251.36 is: 272,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,597.52 : 497,609.40 = 197,251.36 : x
  2. Step 2: Convert to fraction form
    360,597.52/497,609.40 = 197,251.36/x
  3. Step 3: Cross multiply
    360,597.52x = 497,609.40 × 197,251.36
  4. Step 4: Simplify right side
    360,597.52x = 98,154,130,898.78
  5. Step 5: Solve for x
    x = 98,154,130,898.78/360,597.52
  6. Step 6: Final answer
    x = 272,198.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.