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Finding the Fourth Proportional to 458,332.09, 632,530.24 and 303,013.53

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Solution

The fourth proportional to 458,332.09, 632,530.24 and 303,013.53 is: 418,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,332.09 : 632,530.24 = 303,013.53 : x
  2. Step 2: Convert to fraction form
    458,332.09/632,530.24 = 303,013.53/x
  3. Step 3: Cross multiply
    458,332.09x = 632,530.24 × 303,013.53
  4. Step 4: Simplify right side
    458,332.09x = 191,665,220,096.61
  5. Step 5: Solve for x
    x = 191,665,220,096.61/458,332.09
  6. Step 6: Final answer
    x = 418,179.80

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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.