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Finding the Fourth Proportional to 495,053.47, 683,155.51 and 268,694.11

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Solution

The fourth proportional to 495,053.47, 683,155.51 and 268,694.11 is: 370,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,053.47 : 683,155.51 = 268,694.11 : x
  2. Step 2: Convert to fraction form
    495,053.47/683,155.51 = 268,694.11/x
  3. Step 3: Cross multiply
    495,053.47x = 683,155.51 × 268,694.11
  4. Step 4: Simplify right side
    495,053.47x = 183,559,861,751.05
  5. Step 5: Solve for x
    x = 183,559,861,751.05/495,053.47
  6. Step 6: Final answer
    x = 370,787.95

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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.