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Finding the Fourth Proportional to 580,380.17, 870,529.01 and 153,906.53

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Solution

The fourth proportional to 580,380.17, 870,529.01 and 153,906.53 is: 230,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,380.17 : 870,529.01 = 153,906.53 : x
  2. Step 2: Convert to fraction form
    580,380.17/870,529.01 = 153,906.53/x
  3. Step 3: Cross multiply
    580,380.17x = 870,529.01 × 153,906.53
  4. Step 4: Simplify right side
    580,380.17x = 133,980,094,071.26
  5. Step 5: Solve for x
    x = 133,980,094,071.26/580,380.17
  6. Step 6: Final answer
    x = 230,848.85

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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.