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Finding the Fourth Proportional to 544,602.64, 816,930.63 and 207,580.47

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Solution

The fourth proportional to 544,602.64, 816,930.63 and 207,580.47 is: 311,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,602.64 : 816,930.63 = 207,580.47 : x
  2. Step 2: Convert to fraction form
    544,602.64/816,930.63 = 207,580.47/x
  3. Step 3: Cross multiply
    544,602.64x = 816,930.63 × 207,580.47
  4. Step 4: Simplify right side
    544,602.64x = 169,578,844,132.80
  5. Step 5: Solve for x
    x = 169,578,844,132.80/544,602.64
  6. Step 6: Final answer
    x = 311,380.87

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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.