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Finding the Fourth Proportional to 559,348.79, 838,461.38 and 179,990.71

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Solution

The fourth proportional to 559,348.79, 838,461.38 and 179,990.71 is: 269,805.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,348.79 : 838,461.38 = 179,990.71 : x
  2. Step 2: Convert to fraction form
    559,348.79/838,461.38 = 179,990.71/x
  3. Step 3: Cross multiply
    559,348.79x = 838,461.38 × 179,990.71
  4. Step 4: Simplify right side
    559,348.79x = 150,915,256,097.67
  5. Step 5: Solve for x
    x = 150,915,256,097.67/559,348.79
  6. Step 6: Final answer
    x = 269,805.28

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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.