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Finding the Fourth Proportional to 446,435.64, 616,111.34 and 245,233.72

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Solution

The fourth proportional to 446,435.64, 616,111.34 and 245,233.72 is: 338,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,435.64 : 616,111.34 = 245,233.72 : x
  2. Step 2: Convert to fraction form
    446,435.64/616,111.34 = 245,233.72/x
  3. Step 3: Cross multiply
    446,435.64x = 616,111.34 × 245,233.72
  4. Step 4: Simplify right side
    446,435.64x = 151,091,275,842.39
  5. Step 5: Solve for x
    x = 151,091,275,842.39/446,435.64
  6. Step 6: Final answer
    x = 338,439.10

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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.