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Finding the Fourth Proportional to 474,590.88, 654,929.28 and 259,727.04

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Solution

The fourth proportional to 474,590.88, 654,929.28 and 259,727.04 is: 358,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,590.88 : 654,929.28 = 259,727.04 : x
  2. Step 2: Convert to fraction form
    474,590.88/654,929.28 = 259,727.04/x
  3. Step 3: Cross multiply
    474,590.88x = 654,929.28 × 259,727.04
  4. Step 4: Simplify right side
    474,590.88x = 170,102,843,303.73
  5. Step 5: Solve for x
    x = 170,102,843,303.73/474,590.88
  6. Step 6: Final answer
    x = 358,419.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.