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Finding the Fourth Proportional to 528,079.30, 792,118.95 and 329,013.70

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Solution

The fourth proportional to 528,079.30, 792,118.95 and 329,013.70 is: 493,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,079.30 : 792,118.95 = 329,013.70 : x
  2. Step 2: Convert to fraction form
    528,079.30/792,118.95 = 329,013.70/x
  3. Step 3: Cross multiply
    528,079.30x = 792,118.95 × 329,013.70
  4. Step 4: Simplify right side
    528,079.30x = 260,617,986,579.62
  5. Step 5: Solve for x
    x = 260,617,986,579.62/528,079.30
  6. Step 6: Final answer
    x = 493,520.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.