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Finding the Fourth Proportional to 245,460.28, 338,653.70 and 200,060.28

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Solution

The fourth proportional to 245,460.28, 338,653.70 and 200,060.28 is: 276,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,460.28 : 338,653.70 = 200,060.28 : x
  2. Step 2: Convert to fraction form
    245,460.28/338,653.70 = 200,060.28/x
  3. Step 3: Cross multiply
    245,460.28x = 338,653.70 × 200,060.28
  4. Step 4: Simplify right side
    245,460.28x = 67,751,154,045.04
  5. Step 5: Solve for x
    x = 67,751,154,045.04/245,460.28
  6. Step 6: Final answer
    x = 276,016.77

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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.