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Finding the Fourth Proportional to 259,463.76, 358,059.38 and 146,285.70

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Solution

The fourth proportional to 259,463.76, 358,059.38 and 146,285.70 is: 201,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,463.76 : 358,059.38 = 146,285.70 : x
  2. Step 2: Convert to fraction form
    259,463.76/358,059.38 = 146,285.70/x
  3. Step 3: Cross multiply
    259,463.76x = 358,059.38 × 146,285.70
  4. Step 4: Simplify right side
    259,463.76x = 52,378,967,044.87
  5. Step 5: Solve for x
    x = 52,378,967,044.87/259,463.76
  6. Step 6: Final answer
    x = 201,873.92

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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.