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Finding the Fourth Proportional to 401,363.10, 602,044.65 and 164,583.90

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Solution

The fourth proportional to 401,363.10, 602,044.65 and 164,583.90 is: 246,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,363.10 : 602,044.65 = 164,583.90 : x
  2. Step 2: Convert to fraction form
    401,363.10/602,044.65 = 164,583.90/x
  3. Step 3: Cross multiply
    401,363.10x = 602,044.65 × 164,583.90
  4. Step 4: Simplify right side
    401,363.10x = 99,086,856,471.14
  5. Step 5: Solve for x
    x = 99,086,856,471.14/401,363.10
  6. Step 6: Final answer
    x = 246,875.85

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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.