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Finding the Fourth Proportional to 671,907.60, 1,007,839.80 and 222,649.20

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Solution

The fourth proportional to 671,907.60, 1,007,839.80 and 222,649.20 is: 333,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,907.60 : 1,007,839.80 = 222,649.20 : x
  2. Step 2: Convert to fraction form
    671,907.60/1,007,839.80 = 222,649.20/x
  3. Step 3: Cross multiply
    671,907.60x = 1,007,839.80 × 222,649.20
  4. Step 4: Simplify right side
    671,907.60x = 224,394,725,198.16
  5. Step 5: Solve for x
    x = 224,394,725,198.16/671,907.60
  6. Step 6: Final answer
    x = 333,966.64

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1.5x scale

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.