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Finding the Fourth Proportional to 360,394.91, 497,355.36 and 199,260.36

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Solution

The fourth proportional to 360,394.91, 497,355.36 and 199,260.36 is: 274,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,394.91 : 497,355.36 = 199,260.36 : x
  2. Step 2: Convert to fraction form
    360,394.91/497,355.36 = 199,260.36/x
  3. Step 3: Cross multiply
    360,394.91x = 497,355.36 × 199,260.36
  4. Step 4: Simplify right side
    360,394.91x = 99,103,207,334.30
  5. Step 5: Solve for x
    x = 99,103,207,334.30/360,394.91
  6. Step 6: Final answer
    x = 274,985.04

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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.