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Finding the Fourth Proportional to 360,414.04, 497,407.62 and 199,281.28

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Solution

The fourth proportional to 360,414.04, 497,407.62 and 199,281.28 is: 275,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,414.04 : 497,407.62 = 199,281.28 : x
  2. Step 2: Convert to fraction form
    360,414.04/497,407.62 = 199,281.28/x
  3. Step 3: Cross multiply
    360,414.04x = 497,407.62 × 199,281.28
  4. Step 4: Simplify right side
    360,414.04x = 99,124,027,195.35
  5. Step 5: Solve for x
    x = 99,124,027,195.35/360,414.04
  6. Step 6: Final answer
    x = 275,028.21

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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.