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Finding the Fourth Proportional to 317,217.13, 475,913.54 and 146,491.00

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Solution

The fourth proportional to 317,217.13, 475,913.54 and 146,491.00 is: 219,777.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,217.13 : 475,913.54 = 146,491.00 : x
  2. Step 2: Convert to fraction form
    317,217.13/475,913.54 = 146,491.00/x
  3. Step 3: Cross multiply
    317,217.13x = 475,913.54 × 146,491.00
  4. Step 4: Simplify right side
    317,217.13x = 69,717,049,564.58
  5. Step 5: Solve for x
    x = 69,717,049,564.58/317,217.13
  6. Step 6: Final answer
    x = 219,777.07

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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.