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Finding the Fourth Proportional to 692,995.91, 956,324.21 and 387,076.73

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Solution

The fourth proportional to 692,995.91, 956,324.21 and 387,076.73 is: 534,160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,995.91 : 956,324.21 = 387,076.73 : x
  2. Step 2: Convert to fraction form
    692,995.91/956,324.21 = 387,076.73/x
  3. Step 3: Cross multiply
    692,995.91x = 956,324.21 × 387,076.73
  4. Step 4: Simplify right side
    692,995.91x = 370,170,841,309.63
  5. Step 5: Solve for x
    x = 370,170,841,309.63/692,995.91
  6. Step 6: Final answer
    x = 534,160.21

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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.