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Finding the Fourth Proportional to 465,318.84, 698,185.62 and 243,651

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Solution

The fourth proportional to 465,318.84, 698,185.62 and 243,651 is: 365,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,318.84 : 698,185.62 = 243,651 : x
  2. Step 2: Convert to fraction form
    465,318.84/698,185.62 = 243,651/x
  3. Step 3: Cross multiply
    465,318.84x = 698,185.62 × 243,651
  4. Step 4: Simplify right side
    465,318.84x = 170,113,624,498.62
  5. Step 5: Solve for x
    x = 170,113,624,498.62/465,318.84
  6. Step 6: Final answer
    x = 365,585.08

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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.