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Finding the Fourth Proportional to 227,490.32, 340,535.52 and 148,434.32

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Solution

The fourth proportional to 227,490.32, 340,535.52 and 148,434.32 is: 222,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,490.32 : 340,535.52 = 148,434.32 : x
  2. Step 2: Convert to fraction form
    227,490.32/340,535.52 = 148,434.32/x
  3. Step 3: Cross multiply
    227,490.32x = 340,535.52 × 148,434.32
  4. Step 4: Simplify right side
    227,490.32x = 50,547,158,347.05
  5. Step 5: Solve for x
    x = 50,547,158,347.05/227,490.32
  6. Step 6: Final answer
    x = 222,194.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.