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Finding the Fourth Proportional to 359,676.32, 539,622.48 and 170,281.04

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Solution

The fourth proportional to 359,676.32, 539,622.48 and 170,281.04 is: 255,472.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,676.32 : 539,622.48 = 170,281.04 : x
  2. Step 2: Convert to fraction form
    359,676.32/539,622.48 = 170,281.04/x
  3. Step 3: Cross multiply
    359,676.32x = 539,622.48 × 170,281.04
  4. Step 4: Simplify right side
    359,676.32x = 91,887,477,101.78
  5. Step 5: Solve for x
    x = 91,887,477,101.78/359,676.32
  6. Step 6: Final answer
    x = 255,472.69

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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.