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Finding the Fourth Proportional to 323,510.19, 446,445.83 and 187,624.71

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Solution

The fourth proportional to 323,510.19, 446,445.83 and 187,624.71 is: 258,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,510.19 : 446,445.83 = 187,624.71 : x
  2. Step 2: Convert to fraction form
    323,510.19/446,445.83 = 187,624.71/x
  3. Step 3: Cross multiply
    323,510.19x = 446,445.83 × 187,624.71
  4. Step 4: Simplify right side
    323,510.19x = 83,764,268,446.34
  5. Step 5: Solve for x
    x = 83,764,268,446.34/323,510.19
  6. Step 6: Final answer
    x = 258,923.12

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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.