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Finding the Fourth Proportional to 316,550.44, 436,822.86 and 173,282.74

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Solution

The fourth proportional to 316,550.44, 436,822.86 and 173,282.74 is: 239,121.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,550.44 : 436,822.86 = 173,282.74 : x
  2. Step 2: Convert to fraction form
    316,550.44/436,822.86 = 173,282.74/x
  3. Step 3: Cross multiply
    316,550.44x = 436,822.86 × 173,282.74
  4. Step 4: Simplify right side
    316,550.44x = 75,693,862,075.44
  5. Step 5: Solve for x
    x = 75,693,862,075.44/316,550.44
  6. Step 6: Final answer
    x = 239,121.01

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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.