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Finding the Fourth Proportional to 450,596.44, 621,780.88 and 269,272.28

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Solution

The fourth proportional to 450,596.44, 621,780.88 and 269,272.28 is: 371,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,596.44 : 621,780.88 = 269,272.28 : x
  2. Step 2: Convert to fraction form
    450,596.44/621,780.88 = 269,272.28/x
  3. Step 3: Cross multiply
    450,596.44x = 621,780.88 × 269,272.28
  4. Step 4: Simplify right side
    450,596.44x = 167,428,355,218.01
  5. Step 5: Solve for x
    x = 167,428,355,218.01/450,596.44
  6. Step 6: Final answer
    x = 371,570.52

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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.