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Finding the Fourth Proportional to 474,551.51, 654,881.09 and 259,691.58

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Solution

The fourth proportional to 474,551.51, 654,881.09 and 259,691.58 is: 358,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,551.51 : 654,881.09 = 259,691.58 : x
  2. Step 2: Convert to fraction form
    474,551.51/654,881.09 = 259,691.58/x
  3. Step 3: Cross multiply
    474,551.51x = 654,881.09 × 259,691.58
  4. Step 4: Simplify right side
    474,551.51x = 170,067,103,675.76
  5. Step 5: Solve for x
    x = 170,067,103,675.76/474,551.51
  6. Step 6: Final answer
    x = 358,374.38

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1.5x scale

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.