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Finding the Fourth Proportional to 362,507.60, 543,502.20 and 162,664.40

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Solution

The fourth proportional to 362,507.60, 543,502.20 and 162,664.40 is: 243,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,507.60 : 543,502.20 = 162,664.40 : x
  2. Step 2: Convert to fraction form
    362,507.60/543,502.20 = 162,664.40/x
  3. Step 3: Cross multiply
    362,507.60x = 543,502.20 × 162,664.40
  4. Step 4: Simplify right side
    362,507.60x = 88,408,459,261.68
  5. Step 5: Solve for x
    x = 88,408,459,261.68/362,507.60
  6. Step 6: Final answer
    x = 243,880.29

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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.