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Finding the Fourth Proportional to 600,961.75, 829,295.70 and 328,977.55

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Solution

The fourth proportional to 600,961.75, 829,295.70 and 328,977.55 is: 453,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,961.75 : 829,295.70 = 328,977.55 : x
  2. Step 2: Convert to fraction form
    600,961.75/829,295.70 = 328,977.55/x
  3. Step 3: Cross multiply
    600,961.75x = 829,295.70 × 328,977.55
  4. Step 4: Simplify right side
    600,961.75x = 272,819,669,264.99
  5. Step 5: Solve for x
    x = 272,819,669,264.99/600,961.75
  6. Step 6: Final answer
    x = 453,971.77

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1.5x scale

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.