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Finding the Fourth Proportional to 542,092.48, 748,092.04 and 300,379.08

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Solution

The fourth proportional to 542,092.48, 748,092.04 and 300,379.08 is: 414,525.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,092.48 : 748,092.04 = 300,379.08 : x
  2. Step 2: Convert to fraction form
    542,092.48/748,092.04 = 300,379.08/x
  3. Step 3: Cross multiply
    542,092.48x = 748,092.04 × 300,379.08
  4. Step 4: Simplify right side
    542,092.48x = 224,711,198,730.52
  5. Step 5: Solve for x
    x = 224,711,198,730.52/542,092.48
  6. Step 6: Final answer
    x = 414,525.58

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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.