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Finding the Fourth Proportional to 528,053.20, 792,079.80 and 195,758.80

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Solution

The fourth proportional to 528,053.20, 792,079.80 and 195,758.80 is: 293,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,053.20 : 792,079.80 = 195,758.80 : x
  2. Step 2: Convert to fraction form
    528,053.20/792,079.80 = 195,758.80/x
  3. Step 3: Cross multiply
    528,053.20x = 792,079.80 × 195,758.80
  4. Step 4: Simplify right side
    528,053.20x = 155,056,591,152.24
  5. Step 5: Solve for x
    x = 155,056,591,152.24/528,053.20
  6. Step 6: Final answer
    x = 293,638.20

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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.