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Finding the Fourth Proportional to 606,670.80, 910,006.20 and 308,072.40

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Solution

The fourth proportional to 606,670.80, 910,006.20 and 308,072.40 is: 462,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,670.80 : 910,006.20 = 308,072.40 : x
  2. Step 2: Convert to fraction form
    606,670.80/910,006.20 = 308,072.40/x
  3. Step 3: Cross multiply
    606,670.80x = 910,006.20 × 308,072.40
  4. Step 4: Simplify right side
    606,670.80x = 280,347,794,048.88
  5. Step 5: Solve for x
    x = 280,347,794,048.88/606,670.80
  6. Step 6: Final answer
    x = 462,108.60

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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.