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Finding the Fourth Proportional to 239,322.30, 358,983.45 and 146,010.30

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Solution

The fourth proportional to 239,322.30, 358,983.45 and 146,010.30 is: 219,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,322.30 : 358,983.45 = 146,010.30 : x
  2. Step 2: Convert to fraction form
    239,322.30/358,983.45 = 146,010.30/x
  3. Step 3: Cross multiply
    239,322.30x = 358,983.45 × 146,010.30
  4. Step 4: Simplify right side
    239,322.30x = 52,415,281,229.54
  5. Step 5: Solve for x
    x = 52,415,281,229.54/239,322.30
  6. Step 6: Final answer
    x = 219,015.45

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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.