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Finding the Fourth Proportional to 544,655.07, 817,004.48 and 189,704.97

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Solution

The fourth proportional to 544,655.07, 817,004.48 and 189,704.97 is: 284,565.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,655.07 : 817,004.48 = 189,704.97 : x
  2. Step 2: Convert to fraction form
    544,655.07/817,004.48 = 189,704.97/x
  3. Step 3: Cross multiply
    544,655.07x = 817,004.48 × 189,704.97
  4. Step 4: Simplify right side
    544,655.07x = 154,989,809,419.74
  5. Step 5: Solve for x
    x = 154,989,809,419.74/544,655.07
  6. Step 6: Final answer
    x = 284,565.07

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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.