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Finding the Fourth Proportional to 353,080.14, 487,253.73 and 191,935.45

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Solution

The fourth proportional to 353,080.14, 487,253.73 and 191,935.45 is: 264,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,080.14 : 487,253.73 = 191,935.45 : x
  2. Step 2: Convert to fraction form
    353,080.14/487,253.73 = 191,935.45/x
  3. Step 3: Cross multiply
    353,080.14x = 487,253.73 × 191,935.45
  4. Step 4: Simplify right side
    353,080.14x = 93,521,262,810.52
  5. Step 5: Solve for x
    x = 93,521,262,810.52/353,080.14
  6. Step 6: Final answer
    x = 264,872.62

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1.5x scale

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.