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Finding the Fourth Proportional to 906,951.10, 1,360,098.60 and 366,980.80

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Solution

The fourth proportional to 906,951.10, 1,360,098.60 and 366,980.80 is: 550,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,951.10 : 1,360,098.60 = 366,980.80 : x
  2. Step 2: Convert to fraction form
    906,951.10/1,360,098.60 = 366,980.80/x
  3. Step 3: Cross multiply
    906,951.10x = 1,360,098.60 × 366,980.80
  4. Step 4: Simplify right side
    906,951.10x = 499,130,072,306.88
  5. Step 5: Solve for x
    x = 499,130,072,306.88/906,951.10
  6. Step 6: Final answer
    x = 550,338.46

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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.