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Finding the Fourth Proportional to 297,653.13, 410,597.73 and 188,557.68

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Solution

The fourth proportional to 297,653.13, 410,597.73 and 188,557.68 is: 260,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,653.13 : 410,597.73 = 188,557.68 : x
  2. Step 2: Convert to fraction form
    297,653.13/410,597.73 = 188,557.68/x
  3. Step 3: Cross multiply
    297,653.13x = 410,597.73 × 188,557.68
  4. Step 4: Simplify right side
    297,653.13x = 77,421,355,382.07
  5. Step 5: Solve for x
    x = 77,421,355,382.07/297,653.13
  6. Step 6: Final answer
    x = 260,105.97

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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.