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Finding the Fourth Proportional to 402,888.52, 604,246.38 and 166,169.80

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Solution

The fourth proportional to 402,888.52, 604,246.38 and 166,169.80 is: 249,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,888.52 : 604,246.38 = 166,169.80 : x
  2. Step 2: Convert to fraction form
    402,888.52/604,246.38 = 166,169.80/x
  3. Step 3: Cross multiply
    402,888.52x = 604,246.38 × 166,169.80
  4. Step 4: Simplify right side
    402,888.52x = 100,407,500,115.32
  5. Step 5: Solve for x
    x = 100,407,500,115.32/402,888.52
  6. Step 6: Final answer
    x = 249,219.06

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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.