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Finding the Fourth Proportional to 374,434.80, 560,485.80 and 269,458.80

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Solution

The fourth proportional to 374,434.80, 560,485.80 and 269,458.80 is: 403,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,434.80 : 560,485.80 = 269,458.80 : x
  2. Step 2: Convert to fraction form
    374,434.80/560,485.80 = 269,458.80/x
  3. Step 3: Cross multiply
    374,434.80x = 560,485.80 × 269,458.80
  4. Step 4: Simplify right side
    374,434.80x = 151,027,831,085.04
  5. Step 5: Solve for x
    x = 151,027,831,085.04/374,434.80
  6. Step 6: Final answer
    x = 403,348.81

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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.