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Finding the Fourth Proportional to 600,705.18, 828,939.42 and 328,772.52

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Solution

The fourth proportional to 600,705.18, 828,939.42 and 328,772.52 is: 453,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,705.18 : 828,939.42 = 328,772.52 : x
  2. Step 2: Convert to fraction form
    600,705.18/828,939.42 = 328,772.52/x
  3. Step 3: Cross multiply
    600,705.18x = 828,939.42 × 328,772.52
  4. Step 4: Simplify right side
    600,705.18x = 272,532,502,040.74
  5. Step 5: Solve for x
    x = 272,532,502,040.74/600,705.18
  6. Step 6: Final answer
    x = 453,687.62

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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.