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Finding the Fourth Proportional to 252,802.75, 379,266.50 and 75,309.07

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Solution

The fourth proportional to 252,802.75, 379,266.50 and 75,309.07 is: 112,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,802.75 : 379,266.50 = 75,309.07 : x
  2. Step 2: Convert to fraction form
    252,802.75/379,266.50 = 75,309.07/x
  3. Step 3: Cross multiply
    252,802.75x = 379,266.50 × 75,309.07
  4. Step 4: Simplify right side
    252,802.75x = 28,562,207,397.16
  5. Step 5: Solve for x
    x = 28,562,207,397.16/252,802.75
  6. Step 6: Final answer
    x = 112,982.19

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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.