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Finding the Fourth Proportional to 587,793.60, 879,940.80 and 351,014.40

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Solution

The fourth proportional to 587,793.60, 879,940.80 and 351,014.40 is: 525,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,793.60 : 879,940.80 = 351,014.40 : x
  2. Step 2: Convert to fraction form
    587,793.60/879,940.80 = 351,014.40/x
  3. Step 3: Cross multiply
    587,793.60x = 879,940.80 × 351,014.40
  4. Step 4: Simplify right side
    587,793.60x = 308,871,891,947.52
  5. Step 5: Solve for x
    x = 308,871,891,947.52/587,793.60
  6. Step 6: Final answer
    x = 525,476.79

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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.