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Finding the Fourth Proportional to 524,862.04, 724,408.50 and 328,719.46

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Solution

The fourth proportional to 524,862.04, 724,408.50 and 328,719.46 is: 453,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,862.04 : 724,408.50 = 328,719.46 : x
  2. Step 2: Convert to fraction form
    524,862.04/724,408.50 = 328,719.46/x
  3. Step 3: Cross multiply
    524,862.04x = 724,408.50 × 328,719.46
  4. Step 4: Simplify right side
    524,862.04x = 238,127,170,939.41
  5. Step 5: Solve for x
    x = 238,127,170,939.41/524,862.04
  6. Step 6: Final answer
    x = 453,694.79

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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.