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Finding the Fourth Proportional to 457,072.02, 684,230.20 and 246,070.26

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Solution

The fourth proportional to 457,072.02, 684,230.20 and 246,070.26 is: 368,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,072.02 : 684,230.20 = 246,070.26 : x
  2. Step 2: Convert to fraction form
    457,072.02/684,230.20 = 246,070.26/x
  3. Step 3: Cross multiply
    457,072.02x = 684,230.20 × 246,070.26
  4. Step 4: Simplify right side
    457,072.02x = 168,368,703,213.85
  5. Step 5: Solve for x
    x = 168,368,703,213.85/457,072.02
  6. Step 6: Final answer
    x = 368,363.62

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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.