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Finding the Fourth Proportional to 650,798.96, 976,291.38 and 201,560.00

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Solution

The fourth proportional to 650,798.96, 976,291.38 and 201,560.00 is: 302,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,798.96 : 976,291.38 = 201,560.00 : x
  2. Step 2: Convert to fraction form
    650,798.96/976,291.38 = 201,560.00/x
  3. Step 3: Cross multiply
    650,798.96x = 976,291.38 × 201,560.00
  4. Step 4: Simplify right side
    650,798.96x = 196,781,285,671.34
  5. Step 5: Solve for x
    x = 196,781,285,671.34/650,798.96
  6. Step 6: Final answer
    x = 302,368.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.