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Finding the Fourth Proportional to 472,967.26, 652,708.58 and 258,121.15

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Solution

The fourth proportional to 472,967.26, 652,708.58 and 258,121.15 is: 356,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,967.26 : 652,708.58 = 258,121.15 : x
  2. Step 2: Convert to fraction form
    472,967.26/652,708.58 = 258,121.15/x
  3. Step 3: Cross multiply
    472,967.26x = 652,708.58 × 258,121.15
  4. Step 4: Simplify right side
    472,967.26x = 168,477,887,993.86
  5. Step 5: Solve for x
    x = 168,477,887,993.86/472,967.26
  6. Step 6: Final answer
    x = 356,214.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.