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Finding the Fourth Proportional to 605,545.20, 908,317.80 and 184,820.40

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Solution

The fourth proportional to 605,545.20, 908,317.80 and 184,820.40 is: 277,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,545.20 : 908,317.80 = 184,820.40 : x
  2. Step 2: Convert to fraction form
    605,545.20/908,317.80 = 184,820.40/x
  3. Step 3: Cross multiply
    605,545.20x = 908,317.80 × 184,820.40
  4. Step 4: Simplify right side
    605,545.20x = 167,875,659,123.12
  5. Step 5: Solve for x
    x = 167,875,659,123.12/605,545.20
  6. Step 6: Final answer
    x = 277,230.60

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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.