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Finding the Fourth Proportional to 425,744.22, 587,669.33 and 253,716.18

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Solution

The fourth proportional to 425,744.22, 587,669.33 and 253,716.18 is: 350,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,744.22 : 587,669.33 = 253,716.18 : x
  2. Step 2: Convert to fraction form
    425,744.22/587,669.33 = 253,716.18/x
  3. Step 3: Cross multiply
    425,744.22x = 587,669.33 × 253,716.18
  4. Step 4: Simplify right side
    425,744.22x = 149,101,217,510.76
  5. Step 5: Solve for x
    x = 149,101,217,510.76/425,744.22
  6. Step 6: Final answer
    x = 350,213.13

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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.