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Finding the Fourth Proportional to 310,425.26, 465,637.90 and 88,809.26

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Solution

The fourth proportional to 310,425.26, 465,637.90 and 88,809.26 is: 133,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,425.26 : 465,637.90 = 88,809.26 : x
  2. Step 2: Convert to fraction form
    310,425.26/465,637.90 = 88,809.26/x
  3. Step 3: Cross multiply
    310,425.26x = 465,637.90 × 88,809.26
  4. Step 4: Simplify right side
    310,425.26x = 41,352,957,326.95
  5. Step 5: Solve for x
    x = 41,352,957,326.95/310,425.26
  6. Step 6: Final answer
    x = 133,213.89

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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.