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Finding the Fourth Proportional to 294,007.78, 440,456.55 and 173,705.77

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Solution

The fourth proportional to 294,007.78, 440,456.55 and 173,705.77 is: 260,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,007.78 : 440,456.55 = 173,705.77 : x
  2. Step 2: Convert to fraction form
    294,007.78/440,456.55 = 173,705.77/x
  3. Step 3: Cross multiply
    294,007.78x = 440,456.55 × 173,705.77
  4. Step 4: Simplify right side
    294,007.78x = 76,509,844,169.29
  5. Step 5: Solve for x
    x = 76,509,844,169.29/294,007.78
  6. Step 6: Final answer
    x = 260,230.68

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1.5x scale

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.