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Finding the Fourth Proportional to 415,021.39, 622,088.61 and 296,332.90

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Solution

The fourth proportional to 415,021.39, 622,088.61 and 296,332.90 is: 444,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,021.39 : 622,088.61 = 296,332.90 : x
  2. Step 2: Convert to fraction form
    415,021.39/622,088.61 = 296,332.90/x
  3. Step 3: Cross multiply
    415,021.39x = 622,088.61 × 296,332.90
  4. Step 4: Simplify right side
    415,021.39x = 184,345,321,858.27
  5. Step 5: Solve for x
    x = 184,345,321,858.27/415,021.39
  6. Step 6: Final answer
    x = 444,182.70

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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.