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Finding the Fourth Proportional to 500,696.80, 750,966.72 and 163,734.64

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Solution

The fourth proportional to 500,696.80, 750,966.72 and 163,734.64 is: 245,576.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,696.80 : 750,966.72 = 163,734.64 : x
  2. Step 2: Convert to fraction form
    500,696.80/750,966.72 = 163,734.64/x
  3. Step 3: Cross multiply
    500,696.80x = 750,966.72 × 163,734.64
  4. Step 4: Simplify right side
    500,696.80x = 122,959,265,551.18
  5. Step 5: Solve for x
    x = 122,959,265,551.18/500,696.80
  6. Step 6: Final answer
    x = 245,576.30

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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.