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Finding the Fourth Proportional to 543,452.74, 749,988.22 and 301,735.32

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Solution

The fourth proportional to 543,452.74, 749,988.22 and 301,735.32 is: 416,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,452.74 : 749,988.22 = 301,735.32 : x
  2. Step 2: Convert to fraction form
    543,452.74/749,988.22 = 301,735.32/x
  3. Step 3: Cross multiply
    543,452.74x = 749,988.22 × 301,735.32
  4. Step 4: Simplify right side
    543,452.74x = 226,297,935,557.93
  5. Step 5: Solve for x
    x = 226,297,935,557.93/543,452.74
  6. Step 6: Final answer
    x = 416,407.76

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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.