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Finding the Fourth Proportional to 472,937.79, 652,668.03 and 258,091.72

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Solution

The fourth proportional to 472,937.79, 652,668.03 and 258,091.72 is: 356,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,937.79 : 652,668.03 = 258,091.72 : x
  2. Step 2: Convert to fraction form
    472,937.79/652,668.03 = 258,091.72/x
  3. Step 3: Cross multiply
    472,937.79x = 652,668.03 × 258,091.72
  4. Step 4: Simplify right side
    472,937.79x = 168,448,212,820.04
  5. Step 5: Solve for x
    x = 168,448,212,820.04/472,937.79
  6. Step 6: Final answer
    x = 356,174.15

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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.