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Finding the Fourth Proportional to 558,084.80, 839,200.80 and 466,846.40

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Solution

The fourth proportional to 558,084.80, 839,200.80 and 466,846.40 is: 702,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,084.80 : 839,200.80 = 466,846.40 : x
  2. Step 2: Convert to fraction form
    558,084.80/839,200.80 = 466,846.40/x
  3. Step 3: Cross multiply
    558,084.80x = 839,200.80 × 466,846.40
  4. Step 4: Simplify right side
    558,084.80x = 391,777,872,357.12
  5. Step 5: Solve for x
    x = 391,777,872,357.12/558,084.80
  6. Step 6: Final answer
    x = 702,004.20

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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.