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Finding the Fourth Proportional to 637,886.97, 957,423.38 and 322,570.17

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Solution

The fourth proportional to 637,886.97, 957,423.38 and 322,570.17 is: 484,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,886.97 : 957,423.38 = 322,570.17 : x
  2. Step 2: Convert to fraction form
    637,886.97/957,423.38 = 322,570.17/x
  3. Step 3: Cross multiply
    637,886.97x = 957,423.38 × 322,570.17
  4. Step 4: Simplify right side
    637,886.97x = 308,836,220,835.72
  5. Step 5: Solve for x
    x = 308,836,220,835.72/637,886.97
  6. Step 6: Final answer
    x = 484,155.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.