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Finding the Fourth Proportional to 487,517.97, 672,955.71 and 367,008.81

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Solution

The fourth proportional to 487,517.97, 672,955.71 and 367,008.81 is: 506,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,517.97 : 672,955.71 = 367,008.81 : x
  2. Step 2: Convert to fraction form
    487,517.97/672,955.71 = 367,008.81/x
  3. Step 3: Cross multiply
    487,517.97x = 672,955.71 × 367,008.81
  4. Step 4: Simplify right side
    487,517.97x = 246,980,674,309.81
  5. Step 5: Solve for x
    x = 246,980,674,309.81/487,517.97
  6. Step 6: Final answer
    x = 506,608.35

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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.