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Finding the Fourth Proportional to 572,468.74, 858,765.38 and 212,597.37

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Solution

The fourth proportional to 572,468.74, 858,765.38 and 212,597.37 is: 318,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,468.74 : 858,765.38 = 212,597.37 : x
  2. Step 2: Convert to fraction form
    572,468.74/858,765.38 = 212,597.37/x
  3. Step 3: Cross multiply
    572,468.74x = 858,765.38 × 212,597.37
  4. Step 4: Simplify right side
    572,468.74x = 182,571,264,139.71
  5. Step 5: Solve for x
    x = 182,571,264,139.71/572,468.74
  6. Step 6: Final answer
    x = 318,919.19

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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.