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Finding the Fourth Proportional to 341,777.70, 471,655.11 and 188,814.06

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Solution

The fourth proportional to 341,777.70, 471,655.11 and 188,814.06 is: 260,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,777.70 : 471,655.11 = 188,814.06 : x
  2. Step 2: Convert to fraction form
    341,777.70/471,655.11 = 188,814.06/x
  3. Step 3: Cross multiply
    341,777.70x = 471,655.11 × 188,814.06
  4. Step 4: Simplify right side
    341,777.70x = 89,055,116,238.85
  5. Step 5: Solve for x
    x = 89,055,116,238.85/341,777.70
  6. Step 6: Final answer
    x = 260,564.44

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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.