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Finding the Fourth Proportional to 342,026.32, 471,995.16 and 191,123.32

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Solution

The fourth proportional to 342,026.32, 471,995.16 and 191,123.32 is: 263,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,026.32 : 471,995.16 = 191,123.32 : x
  2. Step 2: Convert to fraction form
    342,026.32/471,995.16 = 191,123.32/x
  3. Step 3: Cross multiply
    342,026.32x = 471,995.16 × 191,123.32
  4. Step 4: Simplify right side
    342,026.32x = 90,209,282,003.13
  5. Step 5: Solve for x
    x = 90,209,282,003.13/342,026.32
  6. Step 6: Final answer
    x = 263,749.53

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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.