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Finding the Fourth Proportional to 252,000.30, 378,000.45 and 246,168.30

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Solution

The fourth proportional to 252,000.30, 378,000.45 and 246,168.30 is: 369,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,000.30 : 378,000.45 = 246,168.30 : x
  2. Step 2: Convert to fraction form
    252,000.30/378,000.45 = 246,168.30/x
  3. Step 3: Cross multiply
    252,000.30x = 378,000.45 × 246,168.30
  4. Step 4: Simplify right side
    252,000.30x = 93,051,728,175.74
  5. Step 5: Solve for x
    x = 93,051,728,175.74/252,000.30
  6. Step 6: Final answer
    x = 369,252.45

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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.