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Finding the Fourth Proportional to 343,798.19, 474,417.71 and 190,824.33

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Solution

The fourth proportional to 343,798.19, 474,417.71 and 190,824.33 is: 263,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,798.19 : 474,417.71 = 190,824.33 : x
  2. Step 2: Convert to fraction form
    343,798.19/474,417.71 = 190,824.33/x
  3. Step 3: Cross multiply
    343,798.19x = 474,417.71 × 190,824.33
  4. Step 4: Simplify right side
    343,798.19x = 90,530,441,650.88
  5. Step 5: Solve for x
    x = 90,530,441,650.88/343,798.19
  6. Step 6: Final answer
    x = 263,324.37

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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.