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Finding the Fourth Proportional to 262,543.49, 362,280.06 and 147,819.18

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Solution

The fourth proportional to 262,543.49, 362,280.06 and 147,819.18 is: 203,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,543.49 : 362,280.06 = 147,819.18 : x
  2. Step 2: Convert to fraction form
    262,543.49/362,280.06 = 147,819.18/x
  3. Step 3: Cross multiply
    262,543.49x = 362,280.06 × 147,819.18
  4. Step 4: Simplify right side
    262,543.49x = 53,551,940,720.28
  5. Step 5: Solve for x
    x = 53,551,940,720.28/262,543.49
  6. Step 6: Final answer
    x = 203,973.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.