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Finding the Fourth Proportional to 367,728.88, 507,487.53 and 276,924.64

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Solution

The fourth proportional to 367,728.88, 507,487.53 and 276,924.64 is: 382,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,728.88 : 507,487.53 = 276,924.64 : x
  2. Step 2: Convert to fraction form
    367,728.88/507,487.53 = 276,924.64/x
  3. Step 3: Cross multiply
    367,728.88x = 507,487.53 × 276,924.64
  4. Step 4: Simplify right side
    367,728.88x = 140,535,801,549.74
  5. Step 5: Solve for x
    x = 140,535,801,549.74/367,728.88
  6. Step 6: Final answer
    x = 382,172.33

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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.