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Finding the Fourth Proportional to 290,266.88, 400,548.48 and 162,924.80

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Solution

The fourth proportional to 290,266.88, 400,548.48 and 162,924.80 is: 224,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,266.88 : 400,548.48 = 162,924.80 : x
  2. Step 2: Convert to fraction form
    290,266.88/400,548.48 = 162,924.80/x
  3. Step 3: Cross multiply
    290,266.88x = 400,548.48 × 162,924.80
  4. Step 4: Simplify right side
    290,266.88x = 65,259,280,994.30
  5. Step 5: Solve for x
    x = 65,259,280,994.30/290,266.88
  6. Step 6: Final answer
    x = 224,825.10

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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.