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Finding the Fourth Proportional to 323,460.74, 482,916.72 and 247,159.96

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Solution

The fourth proportional to 323,460.74, 482,916.72 and 247,159.96 is: 369,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,460.74 : 482,916.72 = 247,159.96 : x
  2. Step 2: Convert to fraction form
    323,460.74/482,916.72 = 247,159.96/x
  3. Step 3: Cross multiply
    323,460.74x = 482,916.72 × 247,159.96
  4. Step 4: Simplify right side
    323,460.74x = 119,357,677,198.53
  5. Step 5: Solve for x
    x = 119,357,677,198.53/323,460.74
  6. Step 6: Final answer
    x = 369,002.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.