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Finding the Fourth Proportional to 657,247.94, 906,999.89 and 366,856.98

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Solution

The fourth proportional to 657,247.94, 906,999.89 and 366,856.98 is: 506,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,247.94 : 906,999.89 = 366,856.98 : x
  2. Step 2: Convert to fraction form
    657,247.94/906,999.89 = 366,856.98/x
  3. Step 3: Cross multiply
    657,247.94x = 906,999.89 × 366,856.98
  4. Step 4: Simplify right side
    657,247.94x = 332,739,238,671.45
  5. Step 5: Solve for x
    x = 332,739,238,671.45/657,247.94
  6. Step 6: Final answer
    x = 506,261.37

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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.