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Finding the Fourth Proportional to 537,446.07, 741,707.01 and 308,074.41

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Solution

The fourth proportional to 537,446.07, 741,707.01 and 308,074.41 is: 425,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,446.07 : 741,707.01 = 308,074.41 : x
  2. Step 2: Convert to fraction form
    537,446.07/741,707.01 = 308,074.41/x
  3. Step 3: Cross multiply
    537,446.07x = 741,707.01 × 308,074.41
  4. Step 4: Simplify right side
    537,446.07x = 228,500,949,498.61
  5. Step 5: Solve for x
    x = 228,500,949,498.61/537,446.07
  6. Step 6: Final answer
    x = 425,160.70

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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.