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Finding the Fourth Proportional to 572,057.57, 858,058.62 and 212,298.56

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Solution

The fourth proportional to 572,057.57, 858,058.62 and 212,298.56 is: 318,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,057.57 : 858,058.62 = 212,298.56 : x
  2. Step 2: Convert to fraction form
    572,057.57/858,058.62 = 212,298.56/x
  3. Step 3: Cross multiply
    572,057.57x = 858,058.62 × 212,298.56
  4. Step 4: Simplify right side
    572,057.57x = 182,164,605,131.29
  5. Step 5: Solve for x
    x = 182,164,605,131.29/572,057.57
  6. Step 6: Final answer
    x = 318,437.54

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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.