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Finding the Fourth Proportional to 407,238.36, 561,975.12 and 246,064.92

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Solution

The fourth proportional to 407,238.36, 561,975.12 and 246,064.92 is: 339,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,238.36 : 561,975.12 = 246,064.92 : x
  2. Step 2: Convert to fraction form
    407,238.36/561,975.12 = 246,064.92/x
  3. Step 3: Cross multiply
    407,238.36x = 561,975.12 × 246,064.92
  4. Step 4: Simplify right side
    407,238.36x = 138,282,362,944.79
  5. Step 5: Solve for x
    x = 138,282,362,944.79/407,238.36
  6. Step 6: Final answer
    x = 339,561.24

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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.