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Finding the Fourth Proportional to 559,940.80, 838,744.80 and 466,628.80

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Solution

The fourth proportional to 559,940.80, 838,744.80 and 466,628.80 is: 698,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,940.80 : 838,744.80 = 466,628.80 : x
  2. Step 2: Convert to fraction form
    559,940.80/838,744.80 = 466,628.80/x
  3. Step 3: Cross multiply
    559,940.80x = 838,744.80 × 466,628.80
  4. Step 4: Simplify right side
    559,940.80x = 391,382,479,530.24
  5. Step 5: Solve for x
    x = 391,382,479,530.24/559,940.80
  6. Step 6: Final answer
    x = 698,971.18

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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.