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Finding the Fourth Proportional to 600,643.49, 828,876.92 and 328,705.92

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Solution

The fourth proportional to 600,643.49, 828,876.92 and 328,705.92 is: 453,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,643.49 : 828,876.92 = 328,705.92 : x
  2. Step 2: Convert to fraction form
    600,643.49/828,876.92 = 328,705.92/x
  3. Step 3: Cross multiply
    600,643.49x = 828,876.92 × 328,705.92
  4. Step 4: Simplify right side
    600,643.49x = 272,456,748,911.84
  5. Step 5: Solve for x
    x = 272,456,748,911.84/600,643.49
  6. Step 6: Final answer
    x = 453,608.10

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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.