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Finding the Fourth Proportional to 544,668.57, 817,024.82 and 189,718.47

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Solution

The fourth proportional to 544,668.57, 817,024.82 and 189,718.47 is: 284,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,668.57 : 817,024.82 = 189,718.47 : x
  2. Step 2: Convert to fraction form
    544,668.57/817,024.82 = 189,718.47/x
  3. Step 3: Cross multiply
    544,668.57x = 817,024.82 × 189,718.47
  4. Step 4: Simplify right side
    544,668.57x = 155,004,697,853.83
  5. Step 5: Solve for x
    x = 155,004,697,853.83/544,668.57
  6. Step 6: Final answer
    x = 284,585.35

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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.