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Finding the Fourth Proportional to 465,370.84, 698,168.45 and 161,720.88

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Solution

The fourth proportional to 465,370.84, 698,168.45 and 161,720.88 is: 242,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,370.84 : 698,168.45 = 161,720.88 : x
  2. Step 2: Convert to fraction form
    465,370.84/698,168.45 = 161,720.88/x
  3. Step 3: Cross multiply
    465,370.84x = 698,168.45 × 161,720.88
  4. Step 4: Simplify right side
    465,370.84x = 112,908,411,822.79
  5. Step 5: Solve for x
    x = 112,908,411,822.79/465,370.84
  6. Step 6: Final answer
    x = 242,620.30

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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.