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Finding the Fourth Proportional to 484,438.50, 726,775.20 and 152,014.50

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Solution

The fourth proportional to 484,438.50, 726,775.20 and 152,014.50 is: 228,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,438.50 : 726,775.20 = 152,014.50 : x
  2. Step 2: Convert to fraction form
    484,438.50/726,775.20 = 152,014.50/x
  3. Step 3: Cross multiply
    484,438.50x = 726,775.20 × 152,014.50
  4. Step 4: Simplify right side
    484,438.50x = 110,480,368,640.40
  5. Step 5: Solve for x
    x = 110,480,368,640.40/484,438.50
  6. Step 6: Final answer
    x = 228,058.61

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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.