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Finding the Fourth Proportional to 362,410.80, 543,270.60 and 282,404.40

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Solution

The fourth proportional to 362,410.80, 543,270.60 and 282,404.40 is: 423,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,410.80 : 543,270.60 = 282,404.40 : x
  2. Step 2: Convert to fraction form
    362,410.80/543,270.60 = 282,404.40/x
  3. Step 3: Cross multiply
    362,410.80x = 543,270.60 × 282,404.40
  4. Step 4: Simplify right side
    362,410.80x = 153,422,007,830.64
  5. Step 5: Solve for x
    x = 153,422,007,830.64/362,410.80
  6. Step 6: Final answer
    x = 423,337.30

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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.