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Finding the Fourth Proportional to 350,809.04, 525,793.21 and 137,443.79

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Solution

The fourth proportional to 350,809.04, 525,793.21 and 137,443.79 is: 206,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,809.04 : 525,793.21 = 137,443.79 : x
  2. Step 2: Convert to fraction form
    350,809.04/525,793.21 = 137,443.79/x
  3. Step 3: Cross multiply
    350,809.04x = 525,793.21 × 137,443.79
  4. Step 4: Simplify right side
    350,809.04x = 72,267,012,509.54
  5. Step 5: Solve for x
    x = 72,267,012,509.54/350,809.04
  6. Step 6: Final answer
    x = 206,001.00

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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.