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Finding the Fourth Proportional to 350,443.20, 525,664.80 and 238,468.80

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Solution

The fourth proportional to 350,443.20, 525,664.80 and 238,468.80 is: 357,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,443.20 : 525,664.80 = 238,468.80 : x
  2. Step 2: Convert to fraction form
    350,443.20/525,664.80 = 238,468.80/x
  3. Step 3: Cross multiply
    350,443.20x = 525,664.80 × 238,468.80
  4. Step 4: Simplify right side
    350,443.20x = 125,354,654,058.24
  5. Step 5: Solve for x
    x = 125,354,654,058.24/350,443.20
  6. Step 6: Final answer
    x = 357,703.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.