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Finding the Fourth Proportional to 344,338.65, 475,051.28 and 199,117.71

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Solution

The fourth proportional to 344,338.65, 475,051.28 and 199,117.71 is: 274,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,338.65 : 475,051.28 = 199,117.71 : x
  2. Step 2: Convert to fraction form
    344,338.65/475,051.28 = 199,117.71/x
  3. Step 3: Cross multiply
    344,338.65x = 475,051.28 × 199,117.71
  4. Step 4: Simplify right side
    344,338.65x = 94,591,122,010.58
  5. Step 5: Solve for x
    x = 94,591,122,010.58/344,338.65
  6. Step 6: Final answer
    x = 274,703.76

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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.