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Finding the Fourth Proportional to 572,073.22, 858,146.28 and 193,032.10

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Solution

The fourth proportional to 572,073.22, 858,146.28 and 193,032.10 is: 289,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,073.22 : 858,146.28 = 193,032.10 : x
  2. Step 2: Convert to fraction form
    572,073.22/858,146.28 = 193,032.10/x
  3. Step 3: Cross multiply
    572,073.22x = 858,146.28 × 193,032.10
  4. Step 4: Simplify right side
    572,073.22x = 165,649,778,535.59
  5. Step 5: Solve for x
    x = 165,649,778,535.59/572,073.22
  6. Step 6: Final answer
    x = 289,560.45

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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.