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Finding the Fourth Proportional to 524,356.62, 723,617.19 and 298,003.74

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Solution

The fourth proportional to 524,356.62, 723,617.19 and 298,003.74 is: 411,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,356.62 : 723,617.19 = 298,003.74 : x
  2. Step 2: Convert to fraction form
    524,356.62/723,617.19 = 298,003.74/x
  3. Step 3: Cross multiply
    524,356.62x = 723,617.19 × 298,003.74
  4. Step 4: Simplify right side
    524,356.62x = 215,640,628,948.29
  5. Step 5: Solve for x
    x = 215,640,628,948.29/524,356.62
  6. Step 6: Final answer
    x = 411,248.03

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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.