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Finding the Fourth Proportional to 417,062.99, 625,588.63 and 164,345.67

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Solution

The fourth proportional to 417,062.99, 625,588.63 and 164,345.67 is: 246,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,062.99 : 625,588.63 = 164,345.67 : x
  2. Step 2: Convert to fraction form
    417,062.99/625,588.63 = 164,345.67/x
  3. Step 3: Cross multiply
    417,062.99x = 625,588.63 × 164,345.67
  4. Step 4: Simplify right side
    417,062.99x = 102,812,782,541.73
  5. Step 5: Solve for x
    x = 102,812,782,541.73/417,062.99
  6. Step 6: Final answer
    x = 246,516.20

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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.