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Finding the Fourth Proportional to 362,842.20, 500,530.86 and 215,583.12

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Solution

The fourth proportional to 362,842.20, 500,530.86 and 215,583.12 is: 297,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,842.20 : 500,530.86 = 215,583.12 : x
  2. Step 2: Convert to fraction form
    362,842.20/500,530.86 = 215,583.12/x
  3. Step 3: Cross multiply
    362,842.20x = 500,530.86 × 215,583.12
  4. Step 4: Simplify right side
    362,842.20x = 107,906,004,455.08
  5. Step 5: Solve for x
    x = 107,906,004,455.08/362,842.20
  6. Step 6: Final answer
    x = 297,391.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.