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Finding the Fourth Proportional to 608,832.36, 840,424.20 and 545,059.44

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Solution

The fourth proportional to 608,832.36, 840,424.20 and 545,059.44 is: 752,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,832.36 : 840,424.20 = 545,059.44 : x
  2. Step 2: Convert to fraction form
    608,832.36/840,424.20 = 545,059.44/x
  3. Step 3: Cross multiply
    608,832.36x = 840,424.20 × 545,059.44
  4. Step 4: Simplify right side
    608,832.36x = 458,081,143,814.45
  5. Step 5: Solve for x
    x = 458,081,143,814.45/608,832.36
  6. Step 6: Final answer
    x = 752,392.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.