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Finding the Fourth Proportional to 341,774.40, 471,608.40 and 188,803.68

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Solution

The fourth proportional to 341,774.40, 471,608.40 and 188,803.68 is: 260,526.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,774.40 : 471,608.40 = 188,803.68 : x
  2. Step 2: Convert to fraction form
    341,774.40/471,608.40 = 188,803.68/x
  3. Step 3: Cross multiply
    341,774.40x = 471,608.40 × 188,803.68
  4. Step 4: Simplify right side
    341,774.40x = 89,041,401,438.91
  5. Step 5: Solve for x
    x = 89,041,401,438.91/341,774.40
  6. Step 6: Final answer
    x = 260,526.83

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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.