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Finding the Fourth Proportional to 468,573.20, 702,754.40 and 215,611.04

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Solution

The fourth proportional to 468,573.20, 702,754.40 and 215,611.04 is: 323,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,573.20 : 702,754.40 = 215,611.04 : x
  2. Step 2: Convert to fraction form
    468,573.20/702,754.40 = 215,611.04/x
  3. Step 3: Cross multiply
    468,573.20x = 702,754.40 × 215,611.04
  4. Step 4: Simplify right side
    468,573.20x = 151,521,607,048.58
  5. Step 5: Solve for x
    x = 151,521,607,048.58/468,573.20
  6. Step 6: Final answer
    x = 323,368.06

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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.