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Finding the Fourth Proportional to 254,639.04, 351,279 and 169,647.36

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Solution

The fourth proportional to 254,639.04, 351,279 and 169,647.36 is: 234,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,639.04 : 351,279 = 169,647.36 : x
  2. Step 2: Convert to fraction form
    254,639.04/351,279 = 169,647.36/x
  3. Step 3: Cross multiply
    254,639.04x = 351,279 × 169,647.36
  4. Step 4: Simplify right side
    254,639.04x = 59,593,554,973.44
  5. Step 5: Solve for x
    x = 59,593,554,973.44/254,639.04
  6. Step 6: Final answer
    x = 234,031.49

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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.