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Finding the Fourth Proportional to 253,170.34, 349,256.12 and 180,589.27

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Solution

The fourth proportional to 253,170.34, 349,256.12 and 180,589.27 is: 249,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,170.34 : 349,256.12 = 180,589.27 : x
  2. Step 2: Convert to fraction form
    253,170.34/349,256.12 = 180,589.27/x
  3. Step 3: Cross multiply
    253,170.34x = 349,256.12 × 180,589.27
  4. Step 4: Simplify right side
    253,170.34x = 63,071,906,850.89
  5. Step 5: Solve for x
    x = 63,071,906,850.89/253,170.34
  6. Step 6: Final answer
    x = 249,128.34

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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.