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Finding the Fourth Proportional to 404,220.20, 606,281.70 and 167,538.20

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Solution

The fourth proportional to 404,220.20, 606,281.70 and 167,538.20 is: 251,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,220.20 : 606,281.70 = 167,538.20 : x
  2. Step 2: Convert to fraction form
    404,220.20/606,281.70 = 167,538.20/x
  3. Step 3: Cross multiply
    404,220.20x = 606,281.70 × 167,538.20
  4. Step 4: Simplify right side
    404,220.20x = 101,575,344,710.94
  5. Step 5: Solve for x
    x = 101,575,344,710.94/404,220.20
  6. Step 6: Final answer
    x = 251,287.16

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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.