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Finding the Fourth Proportional to 341,605.76, 471,410.58 and 188,640.14

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Solution

The fourth proportional to 341,605.76, 471,410.58 and 188,640.14 is: 260,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,605.76 : 471,410.58 = 188,640.14 : x
  2. Step 2: Convert to fraction form
    341,605.76/471,410.58 = 188,640.14/x
  3. Step 3: Cross multiply
    341,605.76x = 471,410.58 × 188,640.14
  4. Step 4: Simplify right side
    341,605.76x = 88,926,958,810.71
  5. Step 5: Solve for x
    x = 88,926,958,810.71/341,605.76
  6. Step 6: Final answer
    x = 260,320.44

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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.