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Finding the Fourth Proportional to 572,101.80, 858,152.70 and 151,420.20

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Solution

The fourth proportional to 572,101.80, 858,152.70 and 151,420.20 is: 227,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,101.80 : 858,152.70 = 151,420.20 : x
  2. Step 2: Convert to fraction form
    572,101.80/858,152.70 = 151,420.20/x
  3. Step 3: Cross multiply
    572,101.80x = 858,152.70 × 151,420.20
  4. Step 4: Simplify right side
    572,101.80x = 129,941,653,464.54
  5. Step 5: Solve for x
    x = 129,941,653,464.54/572,101.80
  6. Step 6: Final answer
    x = 227,130.30

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Double scale
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Similar ratio
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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.