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Finding the Fourth Proportional to 353,088.46, 487,265.24 and 191,943.82

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Solution

The fourth proportional to 353,088.46, 487,265.24 and 191,943.82 is: 264,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,088.46 : 487,265.24 = 191,943.82 : x
  2. Step 2: Convert to fraction form
    353,088.46/487,265.24 = 191,943.82/x
  3. Step 3: Cross multiply
    353,088.46x = 487,265.24 × 191,943.82
  4. Step 4: Simplify right side
    353,088.46x = 93,527,550,780.51
  5. Step 5: Solve for x
    x = 93,527,550,780.51/353,088.46
  6. Step 6: Final answer
    x = 264,884.19

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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.