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Finding the Fourth Proportional to 605,781.60, 908,715.60 and 185,056.80

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Solution

The fourth proportional to 605,781.60, 908,715.60 and 185,056.80 is: 277,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,781.60 : 908,715.60 = 185,056.80 : x
  2. Step 2: Convert to fraction form
    605,781.60/908,715.60 = 185,056.80/x
  3. Step 3: Cross multiply
    605,781.60x = 908,715.60 × 185,056.80
  4. Step 4: Simplify right side
    605,781.60x = 168,164,001,046.08
  5. Step 5: Solve for x
    x = 168,164,001,046.08/605,781.60
  6. Step 6: Final answer
    x = 277,598.40

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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.