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Finding the Fourth Proportional to 474,708.48, 655,097.64 and 259,848.68

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Solution

The fourth proportional to 474,708.48, 655,097.64 and 259,848.68 is: 358,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,708.48 : 655,097.64 = 259,848.68 : x
  2. Step 2: Convert to fraction form
    474,708.48/655,097.64 = 259,848.68/x
  3. Step 3: Cross multiply
    474,708.48x = 655,097.64 × 259,848.68
  4. Step 4: Simplify right side
    474,708.48x = 170,226,257,025.12
  5. Step 5: Solve for x
    x = 170,226,257,025.12/474,708.48
  6. Step 6: Final answer
    x = 358,591.14

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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.