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Finding the Fourth Proportional to 484,855.56, 727,397.82 and 152,431.56

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Solution

The fourth proportional to 484,855.56, 727,397.82 and 152,431.56 is: 228,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,855.56 : 727,397.82 = 152,431.56 : x
  2. Step 2: Convert to fraction form
    484,855.56/727,397.82 = 152,431.56/x
  3. Step 3: Cross multiply
    484,855.56x = 727,397.82 × 152,431.56
  4. Step 4: Simplify right side
    484,855.56x = 110,878,384,443.20
  5. Step 5: Solve for x
    x = 110,878,384,443.20/484,855.56
  6. Step 6: Final answer
    x = 228,683.33

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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.