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Finding the Fourth Proportional to 480,611.16, 720,470.70 and 228,010.32

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Solution

The fourth proportional to 480,611.16, 720,470.70 and 228,010.32 is: 341,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,611.16 : 720,470.70 = 228,010.32 : x
  2. Step 2: Convert to fraction form
    480,611.16/720,470.70 = 228,010.32/x
  3. Step 3: Cross multiply
    480,611.16x = 720,470.70 × 228,010.32
  4. Step 4: Simplify right side
    480,611.16x = 164,274,754,857.62
  5. Step 5: Solve for x
    x = 164,274,754,857.62/480,611.16
  6. Step 6: Final answer
    x = 341,803.87

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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.