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Finding the Fourth Proportional to 617,294.76, 926,030.88 and 190,863.83

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Solution

The fourth proportional to 617,294.76, 926,030.88 and 190,863.83 is: 286,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,294.76 : 926,030.88 = 190,863.83 : x
  2. Step 2: Convert to fraction form
    617,294.76/926,030.88 = 190,863.83/x
  3. Step 3: Cross multiply
    617,294.76x = 926,030.88 × 190,863.83
  4. Step 4: Simplify right side
    617,294.76x = 176,745,795,824.92
  5. Step 5: Solve for x
    x = 176,745,795,824.92/617,294.76
  6. Step 6: Final answer
    x = 286,323.18

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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.