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Finding the Fourth Proportional to 349,653.69, 524,639.66 and 169,641.95

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Solution

The fourth proportional to 349,653.69, 524,639.66 and 169,641.95 is: 254,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,653.69 : 524,639.66 = 169,641.95 : x
  2. Step 2: Convert to fraction form
    349,653.69/524,639.66 = 169,641.95/x
  3. Step 3: Cross multiply
    349,653.69x = 524,639.66 × 169,641.95
  4. Step 4: Simplify right side
    349,653.69x = 89,000,891,975.45
  5. Step 5: Solve for x
    x = 89,000,891,975.45/349,653.69
  6. Step 6: Final answer
    x = 254,540.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.