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Finding the Fourth Proportional to 397,167.04, 548,090.48 and 218,319.04

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Solution

The fourth proportional to 397,167.04, 548,090.48 and 218,319.04 is: 301,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,167.04 : 548,090.48 = 218,319.04 : x
  2. Step 2: Convert to fraction form
    397,167.04/548,090.48 = 218,319.04/x
  3. Step 3: Cross multiply
    397,167.04x = 548,090.48 × 218,319.04
  4. Step 4: Simplify right side
    397,167.04x = 119,658,587,426.74
  5. Step 5: Solve for x
    x = 119,658,587,426.74/397,167.04
  6. Step 6: Final answer
    x = 301,280.26

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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.