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Finding the Fourth Proportional to 484,860.31, 727,404.95 and 152,436.31

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Solution

The fourth proportional to 484,860.31, 727,404.95 and 152,436.31 is: 228,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,860.31 : 727,404.95 = 152,436.31 : x
  2. Step 2: Convert to fraction form
    484,860.31/727,404.95 = 152,436.31/x
  3. Step 3: Cross multiply
    484,860.31x = 727,404.95 × 152,436.31
  4. Step 4: Simplify right side
    484,860.31x = 110,882,926,453.74
  5. Step 5: Solve for x
    x = 110,882,926,453.74/484,860.31
  6. Step 6: Final answer
    x = 228,690.46

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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.