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Finding the Fourth Proportional to 474,554.51, 654,885.23 and 259,694.58

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Solution

The fourth proportional to 474,554.51, 654,885.23 and 259,694.58 is: 358,378.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,554.51 : 654,885.23 = 259,694.58 : x
  2. Step 2: Convert to fraction form
    474,554.51/654,885.23 = 259,694.58/x
  3. Step 3: Cross multiply
    474,554.51x = 654,885.23 × 259,694.58
  4. Step 4: Simplify right side
    474,554.51x = 170,070,144,753.05
  5. Step 5: Solve for x
    x = 170,070,144,753.05/474,554.51
  6. Step 6: Final answer
    x = 358,378.52

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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.