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Finding the Fourth Proportional to 605,411.10, 908,116.65 and 162,179.10

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Solution

The fourth proportional to 605,411.10, 908,116.65 and 162,179.10 is: 243,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,411.10 : 908,116.65 = 162,179.10 : x
  2. Step 2: Convert to fraction form
    605,411.10/908,116.65 = 162,179.10/x
  3. Step 3: Cross multiply
    605,411.10x = 908,116.65 × 162,179.10
  4. Step 4: Simplify right side
    605,411.10x = 147,277,540,992.02
  5. Step 5: Solve for x
    x = 147,277,540,992.02/605,411.10
  6. Step 6: Final answer
    x = 243,268.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.