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Finding the Fourth Proportional to 472,898.60, 652,626.48 and 258,042.32

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Solution

The fourth proportional to 472,898.60, 652,626.48 and 258,042.32 is: 356,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,898.60 : 652,626.48 = 258,042.32 : x
  2. Step 2: Convert to fraction form
    472,898.60/652,626.48 = 258,042.32/x
  3. Step 3: Cross multiply
    472,898.60x = 652,626.48 × 258,042.32
  4. Step 4: Simplify right side
    472,898.60x = 168,405,250,992.63
  5. Step 5: Solve for x
    x = 168,405,250,992.63/472,898.60
  6. Step 6: Final answer
    x = 356,112.81

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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.