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Finding the Fourth Proportional to 447,050.48, 616,917.36 and 245,846.48

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Solution

The fourth proportional to 447,050.48, 616,917.36 and 245,846.48 is: 339,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,050.48 : 616,917.36 = 245,846.48 : x
  2. Step 2: Convert to fraction form
    447,050.48/616,917.36 = 245,846.48/x
  3. Step 3: Cross multiply
    447,050.48x = 616,917.36 × 245,846.48
  4. Step 4: Simplify right side
    447,050.48x = 151,666,961,406.89
  5. Step 5: Solve for x
    x = 151,666,961,406.89/447,050.48
  6. Step 6: Final answer
    x = 339,261.38

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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.