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Finding the Fourth Proportional to 606,905.80, 910,877.10 and 270,464.20

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Solution

The fourth proportional to 606,905.80, 910,877.10 and 270,464.20 is: 405,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,905.80 : 910,877.10 = 270,464.20 : x
  2. Step 2: Convert to fraction form
    606,905.80/910,877.10 = 270,464.20/x
  3. Step 3: Cross multiply
    606,905.80x = 910,877.10 × 270,464.20
  4. Step 4: Simplify right side
    606,905.80x = 246,359,646,149.82
  5. Step 5: Solve for x
    x = 246,359,646,149.82/606,905.80
  6. Step 6: Final answer
    x = 405,927.32

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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.