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Finding the Fourth Proportional to 617,925.80, 926,888.70 and 197,244.20

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Solution

The fourth proportional to 617,925.80, 926,888.70 and 197,244.20 is: 295,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,925.80 : 926,888.70 = 197,244.20 : x
  2. Step 2: Convert to fraction form
    617,925.80/926,888.70 = 197,244.20/x
  3. Step 3: Cross multiply
    617,925.80x = 926,888.70 × 197,244.20
  4. Step 4: Simplify right side
    617,925.80x = 182,823,420,120.54
  5. Step 5: Solve for x
    x = 182,823,420,120.54/617,925.80
  6. Step 6: Final answer
    x = 295,866.30

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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.