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Finding the Fourth Proportional to 362,511.60, 543,508.20 and 162,668.40

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Solution

The fourth proportional to 362,511.60, 543,508.20 and 162,668.40 is: 243,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,511.60 : 543,508.20 = 162,668.40 : x
  2. Step 2: Convert to fraction form
    362,511.60/543,508.20 = 162,668.40/x
  3. Step 3: Cross multiply
    362,511.60x = 543,508.20 × 162,668.40
  4. Step 4: Simplify right side
    362,511.60x = 88,411,609,280.88
  5. Step 5: Solve for x
    x = 88,411,609,280.88/362,511.60
  6. Step 6: Final answer
    x = 243,886.29

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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.