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Finding the Fourth Proportional to 287,653.48, 396,058.44 and 244,548.16

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Solution

The fourth proportional to 287,653.48, 396,058.44 and 244,548.16 is: 336,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,653.48 : 396,058.44 = 244,548.16 : x
  2. Step 2: Convert to fraction form
    287,653.48/396,058.44 = 244,548.16/x
  3. Step 3: Cross multiply
    287,653.48x = 396,058.44 × 244,548.16
  4. Step 4: Simplify right side
    287,653.48x = 96,855,362,754.47
  5. Step 5: Solve for x
    x = 96,855,362,754.47/287,653.48
  6. Step 6: Final answer
    x = 336,708.47

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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.