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Finding the Fourth Proportional to 360,381.38, 497,304.96 and 199,226.81

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Solution

The fourth proportional to 360,381.38, 497,304.96 and 199,226.81 is: 274,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,381.38 : 497,304.96 = 199,226.81 : x
  2. Step 2: Convert to fraction form
    360,381.38/497,304.96 = 199,226.81/x
  3. Step 3: Cross multiply
    360,381.38x = 497,304.96 × 199,226.81
  4. Step 4: Simplify right side
    360,381.38x = 99,076,478,291.45
  5. Step 5: Solve for x
    x = 99,076,478,291.45/360,381.38
  6. Step 6: Final answer
    x = 274,921.20

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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.