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Finding the Fourth Proportional to 882,571.80, 1,323,408.42 and 433,326.36

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Solution

The fourth proportional to 882,571.80, 1,323,408.42 and 433,326.36 is: 649,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,571.80 : 1,323,408.42 = 433,326.36 : x
  2. Step 2: Convert to fraction form
    882,571.80/1,323,408.42 = 433,326.36/x
  3. Step 3: Cross multiply
    882,571.80x = 1,323,408.42 × 433,326.36
  4. Step 4: Simplify right side
    882,571.80x = 573,467,753,431.95
  5. Step 5: Solve for x
    x = 573,467,753,431.95/882,571.80
  6. Step 6: Final answer
    x = 649,768.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.