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Finding the Fourth Proportional to 475,628.65, 656,373.92 and 260,768.18

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Solution

The fourth proportional to 475,628.65, 656,373.92 and 260,768.18 is: 359,863.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,628.65 : 656,373.92 = 260,768.18 : x
  2. Step 2: Convert to fraction form
    475,628.65/656,373.92 = 260,768.18/x
  3. Step 3: Cross multiply
    475,628.65x = 656,373.92 × 260,768.18
  4. Step 4: Simplify right side
    475,628.65x = 171,161,432,854.96
  5. Step 5: Solve for x
    x = 171,161,432,854.96/475,628.65
  6. Step 6: Final answer
    x = 359,863.59

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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.