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Finding the Fourth Proportional to 541,313.80, 810,804.30 and 448,001.80

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Solution

The fourth proportional to 541,313.80, 810,804.30 and 448,001.80 is: 671,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,313.80 : 810,804.30 = 448,001.80 : x
  2. Step 2: Convert to fraction form
    541,313.80/810,804.30 = 448,001.80/x
  3. Step 3: Cross multiply
    541,313.80x = 810,804.30 × 448,001.80
  4. Step 4: Simplify right side
    541,313.80x = 363,241,785,847.74
  5. Step 5: Solve for x
    x = 363,241,785,847.74/541,313.80
  6. Step 6: Final answer
    x = 671,037.36

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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.