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Finding the Fourth Proportional to 622,060.16, 858,147.36 and 367,240.64

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Solution

The fourth proportional to 622,060.16, 858,147.36 and 367,240.64 is: 506,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,060.16 : 858,147.36 = 367,240.64 : x
  2. Step 2: Convert to fraction form
    622,060.16/858,147.36 = 367,240.64/x
  3. Step 3: Cross multiply
    622,060.16x = 858,147.36 × 367,240.64
  4. Step 4: Simplify right side
    622,060.16x = 315,146,585,700.71
  5. Step 5: Solve for x
    x = 315,146,585,700.71/622,060.16
  6. Step 6: Final answer
    x = 506,617.54

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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.