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Finding the Fourth Proportional to 424,255.20, 585,415.84 and 263,051.44

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Solution

The fourth proportional to 424,255.20, 585,415.84 and 263,051.44 is: 362,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,255.20 : 585,415.84 = 263,051.44 : x
  2. Step 2: Convert to fraction form
    424,255.20/585,415.84 = 263,051.44/x
  3. Step 3: Cross multiply
    424,255.20x = 585,415.84 × 263,051.44
  4. Step 4: Simplify right side
    424,255.20x = 153,994,479,710.81
  5. Step 5: Solve for x
    x = 153,994,479,710.81/424,255.20
  6. Step 6: Final answer
    x = 362,976.06

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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.