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Finding the Fourth Proportional to 710,935.88, 981,092.34 and 409,130.12

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Solution

The fourth proportional to 710,935.88, 981,092.34 and 409,130.12 is: 564,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,935.88 : 981,092.34 = 409,130.12 : x
  2. Step 2: Convert to fraction form
    710,935.88/981,092.34 = 409,130.12/x
  3. Step 3: Cross multiply
    710,935.88x = 981,092.34 × 409,130.12
  4. Step 4: Simplify right side
    710,935.88x = 401,394,426,795.28
  5. Step 5: Solve for x
    x = 401,394,426,795.28/710,935.88
  6. Step 6: Final answer
    x = 564,600.04

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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.