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Finding the Fourth Proportional to 254,722.80, 357,136.80 and 254,722.80

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Solution

The fourth proportional to 254,722.80, 357,136.80 and 254,722.80 is: 357,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,722.80 : 357,136.80 = 254,722.80 : x
  2. Step 2: Convert to fraction form
    254,722.80/357,136.80 = 254,722.80/x
  3. Step 3: Cross multiply
    254,722.80x = 357,136.80 × 254,722.80
  4. Step 4: Simplify right side
    254,722.80x = 90,970,885,679.04
  5. Step 5: Solve for x
    x = 90,970,885,679.04/254,722.80
  6. Step 6: Final answer
    x = 357,136.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.