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Finding the Fourth Proportional to 362,235.60, 543,329.10 and 95,990.40

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Solution

The fourth proportional to 362,235.60, 543,329.10 and 95,990.40 is: 143,979.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,235.60 : 543,329.10 = 95,990.40 : x
  2. Step 2: Convert to fraction form
    362,235.60/543,329.10 = 95,990.40/x
  3. Step 3: Cross multiply
    362,235.60x = 543,329.10 × 95,990.40
  4. Step 4: Simplify right side
    362,235.60x = 52,154,377,640.64
  5. Step 5: Solve for x
    x = 52,154,377,640.64/362,235.60
  6. Step 6: Final answer
    x = 143,979.16

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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.