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Finding the Fourth Proportional to 401,443.98, 601,641.09 and 164,509.26

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Solution

The fourth proportional to 401,443.98, 601,641.09 and 164,509.26 is: 246,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,443.98 : 601,641.09 = 164,509.26 : x
  2. Step 2: Convert to fraction form
    401,443.98/601,641.09 = 164,509.26/x
  3. Step 3: Cross multiply
    401,443.98x = 601,641.09 × 164,509.26
  4. Step 4: Simplify right side
    401,443.98x = 98,975,530,501.49
  5. Step 5: Solve for x
    x = 98,975,530,501.49/401,443.98
  6. Step 6: Final answer
    x = 246,548.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.