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Finding the Fourth Proportional to 608,902.60, 914,102.70 and 384,262.60

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Solution

The fourth proportional to 608,902.60, 914,102.70 and 384,262.60 is: 576,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,902.60 : 914,102.70 = 384,262.60 : x
  2. Step 2: Convert to fraction form
    608,902.60/914,102.70 = 384,262.60/x
  3. Step 3: Cross multiply
    608,902.60x = 914,102.70 × 384,262.60
  4. Step 4: Simplify right side
    608,902.60x = 351,255,480,169.02
  5. Step 5: Solve for x
    x = 351,255,480,169.02/608,902.60
  6. Step 6: Final answer
    x = 576,866.45

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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.