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Finding the Fourth Proportional to 671,701.60, 1,007,530.80 and 222,443.20

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Solution

The fourth proportional to 671,701.60, 1,007,530.80 and 222,443.20 is: 333,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,701.60 : 1,007,530.80 = 222,443.20 : x
  2. Step 2: Convert to fraction form
    671,701.60/1,007,530.80 = 222,443.20/x
  3. Step 3: Cross multiply
    671,701.60x = 1,007,530.80 × 222,443.20
  4. Step 4: Simplify right side
    671,701.60x = 224,118,375,250.56
  5. Step 5: Solve for x
    x = 224,118,375,250.56/671,701.60
  6. Step 6: Final answer
    x = 333,657.65

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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.