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Finding the Fourth Proportional to 543,204.92, 749,760.58 and 371,192.51

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Solution

The fourth proportional to 543,204.92, 749,760.58 and 371,192.51 is: 512,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,204.92 : 749,760.58 = 371,192.51 : x
  2. Step 2: Convert to fraction form
    543,204.92/749,760.58 = 371,192.51/x
  3. Step 3: Cross multiply
    543,204.92x = 749,760.58 × 371,192.51
  4. Step 4: Simplify right side
    543,204.92x = 278,305,509,710.25
  5. Step 5: Solve for x
    x = 278,305,509,710.25/543,204.92
  6. Step 6: Final answer
    x = 512,339.82

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1.5x scale

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.