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Finding the Fourth Proportional to 908,553.20, 1,363,024.20 and 277,530.80

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Solution

The fourth proportional to 908,553.20, 1,363,024.20 and 277,530.80 is: 416,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,553.20 : 1,363,024.20 = 277,530.80 : x
  2. Step 2: Convert to fraction form
    908,553.20/1,363,024.20 = 277,530.80/x
  3. Step 3: Cross multiply
    908,553.20x = 1,363,024.20 × 277,530.80
  4. Step 4: Simplify right side
    908,553.20x = 378,281,196,645.36
  5. Step 5: Solve for x
    x = 378,281,196,645.36/908,553.20
  6. Step 6: Final answer
    x = 416,355.58

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