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Finding the Fourth Proportional to 866,674.51, 1,196,046.52 and 479,483.78

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Solution

The fourth proportional to 866,674.51, 1,196,046.52 and 479,483.78 is: 661,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,674.51 : 1,196,046.52 = 479,483.78 : x
  2. Step 2: Convert to fraction form
    866,674.51/1,196,046.52 = 479,483.78/x
  3. Step 3: Cross multiply
    866,674.51x = 1,196,046.52 × 479,483.78
  4. Step 4: Simplify right side
    866,674.51x = 573,484,899,286.50
  5. Step 5: Solve for x
    x = 573,484,899,286.50/866,674.51
  6. Step 6: Final answer
    x = 661,707.36

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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.