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Finding the Fourth Proportional to 568,258.47, 852,621.44 and 417,226.79

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Solution

The fourth proportional to 568,258.47, 852,621.44 and 417,226.79 is: 626,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,258.47 : 852,621.44 = 417,226.79 : x
  2. Step 2: Convert to fraction form
    568,258.47/852,621.44 = 417,226.79/x
  3. Step 3: Cross multiply
    568,258.47x = 852,621.44 × 417,226.79
  4. Step 4: Simplify right side
    568,258.47x = 355,736,500,147.14
  5. Step 5: Solve for x
    x = 355,736,500,147.14/568,258.47
  6. Step 6: Final answer
    x = 626,011.79

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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.