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Finding the Fourth Proportional to 362,417.40, 543,626.10 and 236,446.20

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Solution

The fourth proportional to 362,417.40, 543,626.10 and 236,446.20 is: 354,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,417.40 : 543,626.10 = 236,446.20 : x
  2. Step 2: Convert to fraction form
    362,417.40/543,626.10 = 236,446.20/x
  3. Step 3: Cross multiply
    362,417.40x = 543,626.10 × 236,446.20
  4. Step 4: Simplify right side
    362,417.40x = 128,538,325,565.82
  5. Step 5: Solve for x
    x = 128,538,325,565.82/362,417.40
  6. Step 6: Final answer
    x = 354,669.30

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Double scale
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Similar ratio
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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.