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Finding the Fourth Proportional to 542,096.18, 748,103.54 and 315,756.26

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Solution

The fourth proportional to 542,096.18, 748,103.54 and 315,756.26 is: 435,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,096.18 : 748,103.54 = 315,756.26 : x
  2. Step 2: Convert to fraction form
    542,096.18/748,103.54 = 315,756.26/x
  3. Step 3: Cross multiply
    542,096.18x = 748,103.54 × 315,756.26
  4. Step 4: Simplify right side
    542,096.18x = 236,218,375,883.16
  5. Step 5: Solve for x
    x = 236,218,375,883.16/542,096.18
  6. Step 6: Final answer
    x = 435,749.94

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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.