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Finding the Fourth Proportional to 542,216.54, 748,249.70 and 297,199.38

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Solution

The fourth proportional to 542,216.54, 748,249.70 and 297,199.38 is: 410,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,216.54 : 748,249.70 = 297,199.38 : x
  2. Step 2: Convert to fraction form
    542,216.54/748,249.70 = 297,199.38/x
  3. Step 3: Cross multiply
    542,216.54x = 748,249.70 × 297,199.38
  4. Step 4: Simplify right side
    542,216.54x = 222,379,346,925.19
  5. Step 5: Solve for x
    x = 222,379,346,925.19/542,216.54
  6. Step 6: Final answer
    x = 410,130.14

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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.