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Finding the Fourth Proportional to 445,207.44, 614,295.72 and 263,839.68

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Solution

The fourth proportional to 445,207.44, 614,295.72 and 263,839.68 is: 364,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,207.44 : 614,295.72 = 263,839.68 : x
  2. Step 2: Convert to fraction form
    445,207.44/614,295.72 = 263,839.68/x
  3. Step 3: Cross multiply
    445,207.44x = 614,295.72 × 263,839.68
  4. Step 4: Simplify right side
    445,207.44x = 162,075,586,190.17
  5. Step 5: Solve for x
    x = 162,075,586,190.17/445,207.44
  6. Step 6: Final answer
    x = 364,045.10

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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.