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Finding the Fourth Proportional to 537,291.36, 741,960 and 346,632.48

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Solution

The fourth proportional to 537,291.36, 741,960 and 346,632.48 is: 478,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,291.36 : 741,960 = 346,632.48 : x
  2. Step 2: Convert to fraction form
    537,291.36/741,960 = 346,632.48/x
  3. Step 3: Cross multiply
    537,291.36x = 741,960 × 346,632.48
  4. Step 4: Simplify right side
    537,291.36x = 257,187,434,860.80
  5. Step 5: Solve for x
    x = 257,187,434,860.80/537,291.36
  6. Step 6: Final answer
    x = 478,674.06

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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.