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Finding the Fourth Proportional to 503,436.67, 755,080.01 and 166,479.06

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Solution

The fourth proportional to 503,436.67, 755,080.01 and 166,479.06 is: 249,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,436.67 : 755,080.01 = 166,479.06 : x
  2. Step 2: Convert to fraction form
    503,436.67/755,080.01 = 166,479.06/x
  3. Step 3: Cross multiply
    503,436.67x = 755,080.01 × 166,479.06
  4. Step 4: Simplify right side
    503,436.67x = 125,705,012,913.04
  5. Step 5: Solve for x
    x = 125,705,012,913.04/503,436.67
  6. Step 6: Final answer
    x = 249,693.80

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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.