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Finding the Fourth Proportional to 468,504.15, 646,527.99 and 253,642.47

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Solution

The fourth proportional to 468,504.15, 646,527.99 and 253,642.47 is: 350,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,504.15 : 646,527.99 = 253,642.47 : x
  2. Step 2: Convert to fraction form
    468,504.15/646,527.99 = 253,642.47/x
  3. Step 3: Cross multiply
    468,504.15x = 646,527.99 × 253,642.47
  4. Step 4: Simplify right side
    468,504.15x = 163,986,956,307.74
  5. Step 5: Solve for x
    x = 163,986,956,307.74/468,504.15
  6. Step 6: Final answer
    x = 350,022.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.