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Finding the Fourth Proportional to 219,509.68, 328,727.12 and 181,325.32

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Solution

The fourth proportional to 219,509.68, 328,727.12 and 181,325.32 is: 271,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,509.68 : 328,727.12 = 181,325.32 : x
  2. Step 2: Convert to fraction form
    219,509.68/328,727.12 = 181,325.32/x
  3. Step 3: Cross multiply
    219,509.68x = 328,727.12 × 181,325.32
  4. Step 4: Simplify right side
    219,509.68x = 59,606,550,226.68
  5. Step 5: Solve for x
    x = 59,606,550,226.68/219,509.68
  6. Step 6: Final answer
    x = 271,544.06

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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.