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Finding the Fourth Proportional to 617,784.17, 926,702.17 and 218,428.25

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Solution

The fourth proportional to 617,784.17, 926,702.17 and 218,428.25 is: 327,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,784.17 : 926,702.17 = 218,428.25 : x
  2. Step 2: Convert to fraction form
    617,784.17/926,702.17 = 218,428.25/x
  3. Step 3: Cross multiply
    617,784.17x = 926,702.17 × 218,428.25
  4. Step 4: Simplify right side
    617,784.17x = 202,417,928,084.72
  5. Step 5: Solve for x
    x = 202,417,928,084.72/617,784.17
  6. Step 6: Final answer
    x = 327,651.53

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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.