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Finding the Fourth Proportional to 524,847.04, 724,387.80 and 328,704.46

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Solution

The fourth proportional to 524,847.04, 724,387.80 and 328,704.46 is: 453,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,847.04 : 724,387.80 = 328,704.46 : x
  2. Step 2: Convert to fraction form
    524,847.04/724,387.80 = 328,704.46/x
  3. Step 3: Cross multiply
    524,847.04x = 724,387.80 × 328,704.46
  4. Step 4: Simplify right side
    524,847.04x = 238,109,500,629.59
  5. Step 5: Solve for x
    x = 238,109,500,629.59/524,847.04
  6. Step 6: Final answer
    x = 453,674.08

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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.