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Finding the Fourth Proportional to 292,230.20, 437,999.70 and 151,916.60

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Solution

The fourth proportional to 292,230.20, 437,999.70 and 151,916.60 is: 227,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,230.20 : 437,999.70 = 151,916.60 : x
  2. Step 2: Convert to fraction form
    292,230.20/437,999.70 = 151,916.60/x
  3. Step 3: Cross multiply
    292,230.20x = 437,999.70 × 151,916.60
  4. Step 4: Simplify right side
    292,230.20x = 66,539,425,225.02
  5. Step 5: Solve for x
    x = 66,539,425,225.02/292,230.20
  6. Step 6: Final answer
    x = 227,695.24

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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.