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Finding the Fourth Proportional to 313,044.55, 431,999.94 and 175,224.13

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Solution

The fourth proportional to 313,044.55, 431,999.94 and 175,224.13 is: 241,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,044.55 : 431,999.94 = 175,224.13 : x
  2. Step 2: Convert to fraction form
    313,044.55/431,999.94 = 175,224.13/x
  3. Step 3: Cross multiply
    313,044.55x = 431,999.94 × 175,224.13
  4. Step 4: Simplify right side
    313,044.55x = 75,696,813,646.55
  5. Step 5: Solve for x
    x = 75,696,813,646.55/313,044.55
  6. Step 6: Final answer
    x = 241,808.44

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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.