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Finding the Fourth Proportional to 347,036.64, 478,907.22 and 194,073.12

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Solution

The fourth proportional to 347,036.64, 478,907.22 and 194,073.12 is: 267,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,036.64 : 478,907.22 = 194,073.12 : x
  2. Step 2: Convert to fraction form
    347,036.64/478,907.22 = 194,073.12/x
  3. Step 3: Cross multiply
    347,036.64x = 478,907.22 × 194,073.12
  4. Step 4: Simplify right side
    347,036.64x = 92,943,018,375.93
  5. Step 5: Solve for x
    x = 92,943,018,375.93/347,036.64
  6. Step 6: Final answer
    x = 267,819.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.