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Finding the Fourth Proportional to 344,515.38, 475,422.36 and 191,545.66

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Solution

The fourth proportional to 344,515.38, 475,422.36 and 191,545.66 is: 264,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,515.38 : 475,422.36 = 191,545.66 : x
  2. Step 2: Convert to fraction form
    344,515.38/475,422.36 = 191,545.66/x
  3. Step 3: Cross multiply
    344,515.38x = 475,422.36 × 191,545.66
  4. Step 4: Simplify right side
    344,515.38x = 91,065,090,678.38
  5. Step 5: Solve for x
    x = 91,065,090,678.38/344,515.38
  6. Step 6: Final answer
    x = 264,328.09

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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.