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Finding the Fourth Proportional to 360,403.68, 497,349.20 and 199,265.52

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Solution

The fourth proportional to 360,403.68, 497,349.20 and 199,265.52 is: 274,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,403.68 : 497,349.20 = 199,265.52 : x
  2. Step 2: Convert to fraction form
    360,403.68/497,349.20 = 199,265.52/x
  3. Step 3: Cross multiply
    360,403.68x = 497,349.20 × 199,265.52
  4. Step 4: Simplify right side
    360,403.68x = 99,104,546,959.58
  5. Step 5: Solve for x
    x = 99,104,546,959.58/360,403.68
  6. Step 6: Final answer
    x = 274,982.06

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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.