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Finding the Fourth Proportional to 328,232.30, 492,051.45 and 228,440.30

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Solution

The fourth proportional to 328,232.30, 492,051.45 and 228,440.30 is: 342,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,232.30 : 492,051.45 = 228,440.30 : x
  2. Step 2: Convert to fraction form
    328,232.30/492,051.45 = 228,440.30/x
  3. Step 3: Cross multiply
    328,232.30x = 492,051.45 × 228,440.30
  4. Step 4: Simplify right side
    328,232.30x = 112,404,380,853.44
  5. Step 5: Solve for x
    x = 112,404,380,853.44/328,232.30
  6. Step 6: Final answer
    x = 342,453.75

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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.