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Finding the Fourth Proportional to 650,765.54, 899,770.07 and 569,961.36

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Solution

The fourth proportional to 650,765.54, 899,770.07 and 569,961.36 is: 788,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,765.54 : 899,770.07 = 569,961.36 : x
  2. Step 2: Convert to fraction form
    650,765.54/899,770.07 = 569,961.36/x
  3. Step 3: Cross multiply
    650,765.54x = 899,770.07 × 569,961.36
  4. Step 4: Simplify right side
    650,765.54x = 512,834,174,209.40
  5. Step 5: Solve for x
    x = 512,834,174,209.40/650,765.54
  6. Step 6: Final answer
    x = 788,047.52

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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.