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Finding the Fourth Proportional to 540,233.93, 810,859.37 and 274,185.38

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Solution

The fourth proportional to 540,233.93, 810,859.37 and 274,185.38 is: 411,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,233.93 : 810,859.37 = 274,185.38 : x
  2. Step 2: Convert to fraction form
    540,233.93/810,859.37 = 274,185.38/x
  3. Step 3: Cross multiply
    540,233.93x = 810,859.37 × 274,185.38
  4. Step 4: Simplify right side
    540,233.93x = 222,325,779,064.79
  5. Step 5: Solve for x
    x = 222,325,779,064.79/540,233.93
  6. Step 6: Final answer
    x = 411,536.13

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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.