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Finding the Fourth Proportional to 474,551.55, 654,881.13 and 259,691.69

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Solution

The fourth proportional to 474,551.55, 654,881.13 and 259,691.69 is: 358,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,551.55 : 654,881.13 = 259,691.69 : x
  2. Step 2: Convert to fraction form
    474,551.55/654,881.13 = 259,691.69/x
  3. Step 3: Cross multiply
    474,551.55x = 654,881.13 × 259,691.69
  4. Step 4: Simplify right side
    474,551.55x = 170,067,184,124.40
  5. Step 5: Solve for x
    x = 170,067,184,124.40/474,551.55
  6. Step 6: Final answer
    x = 358,374.52

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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.