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Finding the Fourth Proportional to 544,686.32, 817,051.44 and 189,736.24

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Solution

The fourth proportional to 544,686.32, 817,051.44 and 189,736.24 is: 284,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,686.32 : 817,051.44 = 189,736.24 : x
  2. Step 2: Convert to fraction form
    544,686.32/817,051.44 = 189,736.24/x
  3. Step 3: Cross multiply
    544,686.32x = 817,051.44 × 189,736.24
  4. Step 4: Simplify right side
    544,686.32x = 155,024,268,112.19
  5. Step 5: Solve for x
    x = 155,024,268,112.19/544,686.32
  6. Step 6: Final answer
    x = 284,612.01

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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.