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Finding the Fourth Proportional to 403,822.76, 605,064.52 and 245,572.52

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Solution

The fourth proportional to 403,822.76, 605,064.52 and 245,572.52 is: 367,951.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,822.76 : 605,064.52 = 245,572.52 : x
  2. Step 2: Convert to fraction form
    403,822.76/605,064.52 = 245,572.52/x
  3. Step 3: Cross multiply
    403,822.76x = 605,064.52 × 245,572.52
  4. Step 4: Simplify right side
    403,822.76x = 148,587,218,938.99
  5. Step 5: Solve for x
    x = 148,587,218,938.99/403,822.76
  6. Step 6: Final answer
    x = 367,951.57

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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.