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Finding the Fourth Proportional to 404,901.40, 558,763.93 and 235,146.46

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Solution

The fourth proportional to 404,901.40, 558,763.93 and 235,146.46 is: 324,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,901.40 : 558,763.93 = 235,146.46 : x
  2. Step 2: Convert to fraction form
    404,901.40/558,763.93 = 235,146.46/x
  3. Step 3: Cross multiply
    404,901.40x = 558,763.93 × 235,146.46
  4. Step 4: Simplify right side
    404,901.40x = 131,391,360,115.19
  5. Step 5: Solve for x
    x = 131,391,360,115.19/404,901.40
  6. Step 6: Final answer
    x = 324,502.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.