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Finding the Fourth Proportional to 467,330.70, 644,916.70 and 252,470.71

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Solution

The fourth proportional to 467,330.70, 644,916.70 and 252,470.71 is: 348,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,330.70 : 644,916.70 = 252,470.71 : x
  2. Step 2: Convert to fraction form
    467,330.70/644,916.70 = 252,470.71/x
  3. Step 3: Cross multiply
    467,330.70x = 644,916.70 × 252,470.71
  4. Step 4: Simplify right side
    467,330.70x = 162,822,577,139.86
  5. Step 5: Solve for x
    x = 162,822,577,139.86/467,330.70
  6. Step 6: Final answer
    x = 348,409.76

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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.