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Finding the Fourth Proportional to 316,482.04, 436,745.78 and 173,250.85

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Solution

The fourth proportional to 316,482.04, 436,745.78 and 173,250.85 is: 239,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,482.04 : 436,745.78 = 173,250.85 : x
  2. Step 2: Convert to fraction form
    316,482.04/436,745.78 = 173,250.85/x
  3. Step 3: Cross multiply
    316,482.04x = 436,745.78 × 173,250.85
  4. Step 4: Simplify right side
    316,482.04x = 75,666,577,618.91
  5. Step 5: Solve for x
    x = 75,666,577,618.91/316,482.04
  6. Step 6: Final answer
    x = 239,086.48

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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.