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Finding the Fourth Proportional to 543,706.22, 750,231.19 and 314,219.19

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Solution

The fourth proportional to 543,706.22, 750,231.19 and 314,219.19 is: 433,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,706.22 : 750,231.19 = 314,219.19 : x
  2. Step 2: Convert to fraction form
    543,706.22/750,231.19 = 314,219.19/x
  3. Step 3: Cross multiply
    543,706.22x = 750,231.19 × 314,219.19
  4. Step 4: Simplify right side
    543,706.22x = 235,737,040,040.68
  5. Step 5: Solve for x
    x = 235,737,040,040.68/543,706.22
  6. Step 6: Final answer
    x = 433,574.29

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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.