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Finding the Fourth Proportional to 572,608.80, 858,913.20 and 151,927.20

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Solution

The fourth proportional to 572,608.80, 858,913.20 and 151,927.20 is: 227,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,608.80 : 858,913.20 = 151,927.20 : x
  2. Step 2: Convert to fraction form
    572,608.80/858,913.20 = 151,927.20/x
  3. Step 3: Cross multiply
    572,608.80x = 858,913.20 × 151,927.20
  4. Step 4: Simplify right side
    572,608.80x = 130,492,277,519.04
  5. Step 5: Solve for x
    x = 130,492,277,519.04/572,608.80
  6. Step 6: Final answer
    x = 227,890.80

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Double scale
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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.