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Finding the Fourth Proportional to 572,040.20, 858,060.29 and 198,063.20

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Solution

The fourth proportional to 572,040.20, 858,060.29 and 198,063.20 is: 297,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,040.20 : 858,060.29 = 198,063.20 : x
  2. Step 2: Convert to fraction form
    572,040.20/858,060.29 = 198,063.20/x
  3. Step 3: Cross multiply
    572,040.20x = 858,060.29 × 198,063.20
  4. Step 4: Simplify right side
    572,040.20x = 169,950,161,549.71
  5. Step 5: Solve for x
    x = 169,950,161,549.71/572,040.20
  6. Step 6: Final answer
    x = 297,094.79

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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.