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Finding the Fourth Proportional to 445,333.38, 614,625.72 and 282,004.79

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Solution

The fourth proportional to 445,333.38, 614,625.72 and 282,004.79 is: 389,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,333.38 : 614,625.72 = 282,004.79 : x
  2. Step 2: Convert to fraction form
    445,333.38/614,625.72 = 282,004.79/x
  3. Step 3: Cross multiply
    445,333.38x = 614,625.72 × 282,004.79
  4. Step 4: Simplify right side
    445,333.38x = 173,327,397,097.20
  5. Step 5: Solve for x
    x = 173,327,397,097.20/445,333.38
  6. Step 6: Final answer
    x = 389,208.19

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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.