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Finding the Fourth Proportional to 341,430.48, 471,174.15 and 188,468.76

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Solution

The fourth proportional to 341,430.48, 471,174.15 and 188,468.76 is: 260,086.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,430.48 : 471,174.15 = 188,468.76 : x
  2. Step 2: Convert to fraction form
    341,430.48/471,174.15 = 188,468.76/x
  3. Step 3: Cross multiply
    341,430.48x = 471,174.15 × 188,468.76
  4. Step 4: Simplify right side
    341,430.48x = 88,801,609,340.59
  5. Step 5: Solve for x
    x = 88,801,609,340.59/341,430.48
  6. Step 6: Final answer
    x = 260,086.94

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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.