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Finding the Fourth Proportional to 328,599.30, 492,753.15 and 151,014.90

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Solution

The fourth proportional to 328,599.30, 492,753.15 and 151,014.90 is: 226,455.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,599.30 : 492,753.15 = 151,014.90 : x
  2. Step 2: Convert to fraction form
    328,599.30/492,753.15 = 151,014.90/x
  3. Step 3: Cross multiply
    328,599.30x = 492,753.15 × 151,014.90
  4. Step 4: Simplify right side
    328,599.30x = 74,413,067,671.94
  5. Step 5: Solve for x
    x = 74,413,067,671.94/328,599.30
  6. Step 6: Final answer
    x = 226,455.34

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1.5x scale

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.