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Finding the Fourth Proportional to 322,953.98, 484,500.98 and 98,308.55

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Solution

The fourth proportional to 322,953.98, 484,500.98 and 98,308.55 is: 147,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,953.98 : 484,500.98 = 98,308.55 : x
  2. Step 2: Convert to fraction form
    322,953.98/484,500.98 = 98,308.55/x
  3. Step 3: Cross multiply
    322,953.98x = 484,500.98 × 98,308.55
  4. Step 4: Simplify right side
    322,953.98x = 47,630,588,817.38
  5. Step 5: Solve for x
    x = 47,630,588,817.38/322,953.98
  6. Step 6: Final answer
    x = 147,484.14

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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.