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Finding the Fourth Proportional to 544,678.32, 817,039.44 and 189,728.22

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Solution

The fourth proportional to 544,678.32, 817,039.44 and 189,728.22 is: 284,599.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,678.32 : 817,039.44 = 189,728.22 : x
  2. Step 2: Convert to fraction form
    544,678.32/817,039.44 = 189,728.22/x
  3. Step 3: Cross multiply
    544,678.32x = 817,039.44 × 189,728.22
  4. Step 4: Simplify right side
    544,678.32x = 155,015,438,621.00
  5. Step 5: Solve for x
    x = 155,015,438,621.00/544,678.32
  6. Step 6: Final answer
    x = 284,599.98

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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.