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Finding the Fourth Proportional to 450,945.88, 672,439.35 and 446,896.48

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Solution

The fourth proportional to 450,945.88, 672,439.35 and 446,896.48 is: 666,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,945.88 : 672,439.35 = 446,896.48 : x
  2. Step 2: Convert to fraction form
    450,945.88/672,439.35 = 446,896.48/x
  3. Step 3: Cross multiply
    450,945.88x = 672,439.35 × 446,896.48
  4. Step 4: Simplify right side
    450,945.88x = 300,510,778,528.49
  5. Step 5: Solve for x
    x = 300,510,778,528.49/450,945.88
  6. Step 6: Final answer
    x = 666,400.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.