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Finding the Fourth Proportional to 362,143.27, 543,083.68 and 162,360.82

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Solution

The fourth proportional to 362,143.27, 543,083.68 and 162,360.82 is: 243,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,143.27 : 543,083.68 = 162,360.82 : x
  2. Step 2: Convert to fraction form
    362,143.27/543,083.68 = 162,360.82/x
  3. Step 3: Cross multiply
    362,143.27x = 543,083.68 × 162,360.82
  4. Step 4: Simplify right side
    362,143.27x = 88,175,512,495.22
  5. Step 5: Solve for x
    x = 88,175,512,495.22/362,143.27
  6. Step 6: Final answer
    x = 243,482.40

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1.5x scale

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.