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Finding the Fourth Proportional to 322,884.18, 484,399.98 and 98,276.45

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Solution

The fourth proportional to 322,884.18, 484,399.98 and 98,276.45 is: 147,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,884.18 : 484,399.98 = 98,276.45 : x
  2. Step 2: Convert to fraction form
    322,884.18/484,399.98 = 98,276.45/x
  3. Step 3: Cross multiply
    322,884.18x = 484,399.98 × 98,276.45
  4. Step 4: Simplify right side
    322,884.18x = 47,605,107,992.47
  5. Step 5: Solve for x
    x = 47,605,107,992.47/322,884.18
  6. Step 6: Final answer
    x = 147,437.10

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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.