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Finding the Fourth Proportional to 341,235.79, 470,902.11 and 188,275.21

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Solution

The fourth proportional to 341,235.79, 470,902.11 and 188,275.21 is: 259,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,235.79 : 470,902.11 = 188,275.21 : x
  2. Step 2: Convert to fraction form
    341,235.79/470,902.11 = 188,275.21/x
  3. Step 3: Cross multiply
    341,235.79x = 470,902.11 × 188,275.21
  4. Step 4: Simplify right side
    341,235.79x = 88,659,193,649.69
  5. Step 5: Solve for x
    x = 88,659,193,649.69/341,235.79
  6. Step 6: Final answer
    x = 259,817.98

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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.