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Finding the Fourth Proportional to 537,322.40, 741,610.91 and 308,033.66

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Solution

The fourth proportional to 537,322.40, 741,610.91 and 308,033.66 is: 425,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,322.40 : 741,610.91 = 308,033.66 : x
  2. Step 2: Convert to fraction form
    537,322.40/741,610.91 = 308,033.66/x
  3. Step 3: Cross multiply
    537,322.40x = 741,610.91 × 308,033.66
  4. Step 4: Simplify right side
    537,322.40x = 228,441,117,655.01
  5. Step 5: Solve for x
    x = 228,441,117,655.01/537,322.40
  6. Step 6: Final answer
    x = 425,147.21

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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.