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Finding the Fourth Proportional to 291,995.70, 402,893.91 and 167,792.67

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Solution

The fourth proportional to 291,995.70, 402,893.91 and 167,792.67 is: 231,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,995.70 : 402,893.91 = 167,792.67 : x
  2. Step 2: Convert to fraction form
    291,995.70/402,893.91 = 167,792.67/x
  3. Step 3: Cross multiply
    291,995.70x = 402,893.91 × 167,792.67
  4. Step 4: Simplify right side
    291,995.70x = 67,602,644,885.64
  5. Step 5: Solve for x
    x = 67,602,644,885.64/291,995.70
  6. Step 6: Final answer
    x = 231,519.32

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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.