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Finding the Fourth Proportional to 555,177, 832,762.72 and 134,452.87

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Solution

The fourth proportional to 555,177, 832,762.72 and 134,452.87 is: 201,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,177 : 832,762.72 = 134,452.87 : x
  2. Step 2: Convert to fraction form
    555,177/832,762.72 = 134,452.87/x
  3. Step 3: Cross multiply
    555,177x = 832,762.72 × 134,452.87
  4. Step 4: Simplify right side
    555,177x = 111,967,337,733.01
  5. Step 5: Solve for x
    x = 111,967,337,733.01/555,177
  6. Step 6: Final answer
    x = 201,678.63

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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.