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Finding the Fourth Proportional to 367,920.11, 507,522.02 and 231,720.03

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Solution

The fourth proportional to 367,920.11, 507,522.02 and 231,720.03 is: 319,642.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,920.11 : 507,522.02 = 231,720.03 : x
  2. Step 2: Convert to fraction form
    367,920.11/507,522.02 = 231,720.03/x
  3. Step 3: Cross multiply
    367,920.11x = 507,522.02 × 231,720.03
  4. Step 4: Simplify right side
    367,920.11x = 117,603,017,700.06
  5. Step 5: Solve for x
    x = 117,603,017,700.06/367,920.11
  6. Step 6: Final answer
    x = 319,642.81

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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.