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Finding the Fourth Proportional to 456,291.33, 629,686.22 and 252,331.71

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Solution

The fourth proportional to 456,291.33, 629,686.22 and 252,331.71 is: 348,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,291.33 : 629,686.22 = 252,331.71 : x
  2. Step 2: Convert to fraction form
    456,291.33/629,686.22 = 252,331.71/x
  3. Step 3: Cross multiply
    456,291.33x = 629,686.22 × 252,331.71
  4. Step 4: Simplify right side
    456,291.33x = 158,889,799,394.38
  5. Step 5: Solve for x
    x = 158,889,799,394.38/456,291.33
  6. Step 6: Final answer
    x = 348,220.07

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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.