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Finding the Fourth Proportional to 474,730.27, 655,134.99 and 259,890.32

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Solution

The fourth proportional to 474,730.27, 655,134.99 and 259,890.32 is: 358,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,730.27 : 655,134.99 = 259,890.32 : x
  2. Step 2: Convert to fraction form
    474,730.27/655,134.99 = 259,890.32/x
  3. Step 3: Cross multiply
    474,730.27x = 655,134.99 × 259,890.32
  4. Step 4: Simplify right side
    474,730.27x = 170,263,242,857.55
  5. Step 5: Solve for x
    x = 170,263,242,857.55/474,730.27
  6. Step 6: Final answer
    x = 358,652.60

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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.