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Finding the Fourth Proportional to 360,372.96, 497,329.20 and 199,228.32

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Solution

The fourth proportional to 360,372.96, 497,329.20 and 199,228.32 is: 274,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,372.96 : 497,329.20 = 199,228.32 : x
  2. Step 2: Convert to fraction form
    360,372.96/497,329.20 = 199,228.32/x
  3. Step 3: Cross multiply
    360,372.96x = 497,329.20 × 199,228.32
  4. Step 4: Simplify right side
    360,372.96x = 99,082,061,002.94
  5. Step 5: Solve for x
    x = 99,082,061,002.94/360,372.96
  6. Step 6: Final answer
    x = 274,943.11

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Double scale
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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.