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Finding the Fourth Proportional to 417,061.99, 625,587.14 and 164,344.67

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Solution

The fourth proportional to 417,061.99, 625,587.14 and 164,344.67 is: 246,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,061.99 : 625,587.14 = 164,344.67 : x
  2. Step 2: Convert to fraction form
    417,061.99/625,587.14 = 164,344.67/x
  3. Step 3: Cross multiply
    417,061.99x = 625,587.14 × 164,344.67
  4. Step 4: Simplify right side
    417,061.99x = 102,811,911,257.82
  5. Step 5: Solve for x
    x = 102,811,911,257.82/417,061.99
  6. Step 6: Final answer
    x = 246,514.70

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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.