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Finding the Fourth Proportional to 474,809.47, 655,238.98 and 259,969.52

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Solution

The fourth proportional to 474,809.47, 655,238.98 and 259,969.52 is: 358,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,809.47 : 655,238.98 = 259,969.52 : x
  2. Step 2: Convert to fraction form
    474,809.47/655,238.98 = 259,969.52/x
  3. Step 3: Cross multiply
    474,809.47x = 655,238.98 × 259,969.52
  4. Step 4: Simplify right side
    474,809.47x = 170,342,163,115.89
  5. Step 5: Solve for x
    x = 170,342,163,115.89/474,809.47
  6. Step 6: Final answer
    x = 358,758.98

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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.