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Finding the Fourth Proportional to 416,876.04, 623,819.22 and 360,908.70

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Solution

The fourth proportional to 416,876.04, 623,819.22 and 360,908.70 is: 540,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,876.04 : 623,819.22 = 360,908.70 : x
  2. Step 2: Convert to fraction form
    416,876.04/623,819.22 = 360,908.70/x
  3. Step 3: Cross multiply
    416,876.04x = 623,819.22 × 360,908.70
  4. Step 4: Simplify right side
    416,876.04x = 225,141,783,725.21
  5. Step 5: Solve for x
    x = 225,141,783,725.21/416,876.04
  6. Step 6: Final answer
    x = 540,068.90

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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.