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Finding the Fourth Proportional to 575,318.66, 862,977.25 and 154,594.54

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Solution

The fourth proportional to 575,318.66, 862,977.25 and 154,594.54 is: 231,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,318.66 : 862,977.25 = 154,594.54 : x
  2. Step 2: Convert to fraction form
    575,318.66/862,977.25 = 154,594.54/x
  3. Step 3: Cross multiply
    575,318.66x = 862,977.25 × 154,594.54
  4. Step 4: Simplify right side
    575,318.66x = 133,411,565,906.36
  5. Step 5: Solve for x
    x = 133,411,565,906.36/575,318.66
  6. Step 6: Final answer
    x = 231,891.60

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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.