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Finding the Fourth Proportional to 863,735.06, 1,191,951.03 and 476,574.58

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Solution

The fourth proportional to 863,735.06, 1,191,951.03 and 476,574.58 is: 657,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,735.06 : 1,191,951.03 = 476,574.58 : x
  2. Step 2: Convert to fraction form
    863,735.06/1,191,951.03 = 476,574.58/x
  3. Step 3: Cross multiply
    863,735.06x = 1,191,951.03 × 476,574.58
  4. Step 4: Simplify right side
    863,735.06x = 568,053,558,746.82
  5. Step 5: Solve for x
    x = 568,053,558,746.82/863,735.06
  6. Step 6: Final answer
    x = 657,671.07

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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.