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Finding the Fourth Proportional to 542,350.07, 748,364.43 and 300,632.50

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Solution

The fourth proportional to 542,350.07, 748,364.43 and 300,632.50 is: 414,829.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,350.07 : 748,364.43 = 300,632.50 : x
  2. Step 2: Convert to fraction form
    542,350.07/748,364.43 = 300,632.50/x
  3. Step 3: Cross multiply
    542,350.07x = 748,364.43 × 300,632.50
  4. Step 4: Simplify right side
    542,350.07x = 224,982,669,501.98
  5. Step 5: Solve for x
    x = 224,982,669,501.98/542,350.07
  6. Step 6: Final answer
    x = 414,829.24

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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.