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Finding the Fourth Proportional to 424,787.04, 586,138.95 and 243,464.04

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Solution

The fourth proportional to 424,787.04, 586,138.95 and 243,464.04 is: 335,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,787.04 : 586,138.95 = 243,464.04 : x
  2. Step 2: Convert to fraction form
    424,787.04/586,138.95 = 243,464.04/x
  3. Step 3: Cross multiply
    424,787.04x = 586,138.95 × 243,464.04
  4. Step 4: Simplify right side
    424,787.04x = 142,703,756,768.36
  5. Step 5: Solve for x
    x = 142,703,756,768.36/424,787.04
  6. Step 6: Final answer
    x = 335,941.88

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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.