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Finding the Fourth Proportional to 387,611.04, 580,824.51 and 162,848.60

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Solution

The fourth proportional to 387,611.04, 580,824.51 and 162,848.60 is: 244,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,611.04 : 580,824.51 = 162,848.60 : x
  2. Step 2: Convert to fraction form
    387,611.04/580,824.51 = 162,848.60/x
  3. Step 3: Cross multiply
    387,611.04x = 580,824.51 × 162,848.60
  4. Step 4: Simplify right side
    387,611.04x = 94,586,458,299.19
  5. Step 5: Solve for x
    x = 94,586,458,299.19/387,611.04
  6. Step 6: Final answer
    x = 244,024.16

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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.