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Finding the Fourth Proportional to 474,674.46, 655,048.62 and 259,813.86

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Solution

The fourth proportional to 474,674.46, 655,048.62 and 259,813.86 is: 358,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,674.46 : 655,048.62 = 259,813.86 : x
  2. Step 2: Convert to fraction form
    474,674.46/655,048.62 = 259,813.86/x
  3. Step 3: Cross multiply
    474,674.46x = 655,048.62 × 259,813.86
  4. Step 4: Simplify right side
    474,674.46x = 170,190,710,449.87
  5. Step 5: Solve for x
    x = 170,190,710,449.87/474,674.46
  6. Step 6: Final answer
    x = 358,541.96

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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.