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Finding the Fourth Proportional to 446,614.56, 616,332.96 and 245,410.56

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Solution

The fourth proportional to 446,614.56, 616,332.96 and 245,410.56 is: 338,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,614.56 : 616,332.96 = 245,410.56 : x
  2. Step 2: Convert to fraction form
    446,614.56/616,332.96 = 245,410.56/x
  3. Step 3: Cross multiply
    446,614.56x = 616,332.96 × 245,410.56
  4. Step 4: Simplify right side
    446,614.56x = 151,254,616,860.06
  5. Step 5: Solve for x
    x = 151,254,616,860.06/446,614.56
  6. Step 6: Final answer
    x = 338,669.25

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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.