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Finding the Fourth Proportional to 472,908.96, 652,630.11 and 258,060.81

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Solution

The fourth proportional to 472,908.96, 652,630.11 and 258,060.81 is: 356,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,908.96 : 652,630.11 = 258,060.81 : x
  2. Step 2: Convert to fraction form
    472,908.96/652,630.11 = 258,060.81/x
  3. Step 3: Cross multiply
    472,908.96x = 652,630.11 × 258,060.81
  4. Step 4: Simplify right side
    472,908.96x = 168,418,254,816.99
  5. Step 5: Solve for x
    x = 168,418,254,816.99/472,908.96
  6. Step 6: Final answer
    x = 356,132.51

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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.