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Finding the Fourth Proportional to 542,264.90, 748,370.34 and 300,623.27

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Solution

The fourth proportional to 542,264.90, 748,370.34 and 300,623.27 is: 414,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,264.90 : 748,370.34 = 300,623.27 : x
  2. Step 2: Convert to fraction form
    542,264.90/748,370.34 = 300,623.27/x
  3. Step 3: Cross multiply
    542,264.90x = 748,370.34 × 300,623.27
  4. Step 4: Simplify right side
    542,264.90x = 224,977,535,039.96
  5. Step 5: Solve for x
    x = 224,977,535,039.96/542,264.90
  6. Step 6: Final answer
    x = 414,884.93

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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.