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Finding the Fourth Proportional to 584,616.80, 876,860.40 and 163,935.20

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Solution

The fourth proportional to 584,616.80, 876,860.40 and 163,935.20 is: 245,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,616.80 : 876,860.40 = 163,935.20 : x
  2. Step 2: Convert to fraction form
    584,616.80/876,860.40 = 163,935.20/x
  3. Step 3: Cross multiply
    584,616.80x = 876,860.40 × 163,935.20
  4. Step 4: Simplify right side
    584,616.80x = 143,748,285,046.08
  5. Step 5: Solve for x
    x = 143,748,285,046.08/584,616.80
  6. Step 6: Final answer
    x = 245,884.63

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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.