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Finding the Fourth Proportional to 940,580, 1,298,372.40 and 654,266.24

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Solution

The fourth proportional to 940,580, 1,298,372.40 and 654,266.24 is: 903,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,580 : 1,298,372.40 = 654,266.24 : x
  2. Step 2: Convert to fraction form
    940,580/1,298,372.40 = 654,266.24/x
  3. Step 3: Cross multiply
    940,580x = 1,298,372.40 × 654,266.24
  4. Step 4: Simplify right side
    940,580x = 849,481,228,267.78
  5. Step 5: Solve for x
    x = 849,481,228,267.78/940,580
  6. Step 6: Final answer
    x = 903,146.17

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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.