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Finding the Fourth Proportional to 600,762.80, 829,040.08 and 328,824.40

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Solution

The fourth proportional to 600,762.80, 829,040.08 and 328,824.40 is: 453,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,762.80 : 829,040.08 = 328,824.40 : x
  2. Step 2: Convert to fraction form
    600,762.80/829,040.08 = 328,824.40/x
  3. Step 3: Cross multiply
    600,762.80x = 829,040.08 × 328,824.40
  4. Step 4: Simplify right side
    600,762.80x = 272,608,606,881.95
  5. Step 5: Solve for x
    x = 272,608,606,881.95/600,762.80
  6. Step 6: Final answer
    x = 453,770.78

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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.