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Finding the Fourth Proportional to 568,166.32, 851,437.50 and 417,222.64

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Solution

The fourth proportional to 568,166.32, 851,437.50 and 417,222.64 is: 625,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,166.32 : 851,437.50 = 417,222.64 : x
  2. Step 2: Convert to fraction form
    568,166.32/851,437.50 = 417,222.64/x
  3. Step 3: Cross multiply
    568,166.32x = 851,437.50 × 417,222.64
  4. Step 4: Simplify right side
    568,166.32x = 355,239,001,545
  5. Step 5: Solve for x
    x = 355,239,001,545/568,166.32
  6. Step 6: Final answer
    x = 625,237.70

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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.