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Finding the Fourth Proportional to 671,618.10, 1,007,427.15 and 222,408.30

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Solution

The fourth proportional to 671,618.10, 1,007,427.15 and 222,408.30 is: 333,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,618.10 : 1,007,427.15 = 222,408.30 : x
  2. Step 2: Convert to fraction form
    671,618.10/1,007,427.15 = 222,408.30/x
  3. Step 3: Cross multiply
    671,618.10x = 1,007,427.15 × 222,408.30
  4. Step 4: Simplify right side
    671,618.10x = 224,060,159,805.35
  5. Step 5: Solve for x
    x = 224,060,159,805.35/671,618.10
  6. Step 6: Final answer
    x = 333,612.45

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Similar ratio
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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.