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Finding the Fourth Proportional to 465,578.15, 698,544.53 and 162,006.03

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Solution

The fourth proportional to 465,578.15, 698,544.53 and 162,006.03 is: 243,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,578.15 : 698,544.53 = 162,006.03 : x
  2. Step 2: Convert to fraction form
    465,578.15/698,544.53 = 162,006.03/x
  3. Step 3: Cross multiply
    465,578.15x = 698,544.53 × 162,006.03
  4. Step 4: Simplify right side
    465,578.15x = 113,168,423,261.47
  5. Step 5: Solve for x
    x = 113,168,423,261.47/465,578.15
  6. Step 6: Final answer
    x = 243,070.74

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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.