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Finding the Fourth Proportional to 484,558.40, 726,946.96 and 160,345.66

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Solution

The fourth proportional to 484,558.40, 726,946.96 and 160,345.66 is: 240,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,558.40 : 726,946.96 = 160,345.66 : x
  2. Step 2: Convert to fraction form
    484,558.40/726,946.96 = 160,345.66/x
  3. Step 3: Cross multiply
    484,558.40x = 726,946.96 × 160,345.66
  4. Step 4: Simplify right side
    484,558.40x = 116,562,793,387.64
  5. Step 5: Solve for x
    x = 116,562,793,387.64/484,558.40
  6. Step 6: Final answer
    x = 240,554.69

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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.