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Finding the Fourth Proportional to 417,686.18, 626,600.34 and 164,834.35

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Solution

The fourth proportional to 417,686.18, 626,600.34 and 164,834.35 is: 247,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,686.18 : 626,600.34 = 164,834.35 : x
  2. Step 2: Convert to fraction form
    417,686.18/626,600.34 = 164,834.35/x
  3. Step 3: Cross multiply
    417,686.18x = 626,600.34 × 164,834.35
  4. Step 4: Simplify right side
    417,686.18x = 103,285,258,187.18
  5. Step 5: Solve for x
    x = 103,285,258,187.18/417,686.18
  6. Step 6: Final answer
    x = 247,279.57

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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.