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Finding the Fourth Proportional to 475,860.79, 656,730.02 and 261,042.71

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Solution

The fourth proportional to 475,860.79, 656,730.02 and 261,042.71 is: 360,262.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,860.79 : 656,730.02 = 261,042.71 : x
  2. Step 2: Convert to fraction form
    475,860.79/656,730.02 = 261,042.71/x
  3. Step 3: Cross multiply
    475,860.79x = 656,730.02 × 261,042.71
  4. Step 4: Simplify right side
    475,860.79x = 171,434,582,853.94
  5. Step 5: Solve for x
    x = 171,434,582,853.94/475,860.79
  6. Step 6: Final answer
    x = 360,262.05

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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.