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Finding the Fourth Proportional to 362,416.30, 543,624.45 and 236,445.10

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Solution

The fourth proportional to 362,416.30, 543,624.45 and 236,445.10 is: 354,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,416.30 : 543,624.45 = 236,445.10 : x
  2. Step 2: Convert to fraction form
    362,416.30/543,624.45 = 236,445.10/x
  3. Step 3: Cross multiply
    362,416.30x = 543,624.45 × 236,445.10
  4. Step 4: Simplify right side
    362,416.30x = 128,537,337,442.70
  5. Step 5: Solve for x
    x = 128,537,337,442.70/362,416.30
  6. Step 6: Final answer
    x = 354,667.65

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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.