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Finding the Fourth Proportional to 619,156.48, 928,735.70 and 169,883.50

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Solution

The fourth proportional to 619,156.48, 928,735.70 and 169,883.50 is: 254,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,156.48 : 928,735.70 = 169,883.50 : x
  2. Step 2: Convert to fraction form
    619,156.48/928,735.70 = 169,883.50/x
  3. Step 3: Cross multiply
    619,156.48x = 928,735.70 × 169,883.50
  4. Step 4: Simplify right side
    619,156.48x = 157,776,871,290.95
  5. Step 5: Solve for x
    x = 157,776,871,290.95/619,156.48
  6. Step 6: Final answer
    x = 254,825.52

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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.