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Finding the Fourth Proportional to 268,342.80, 402,053.40 and 174,800.40

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Solution

The fourth proportional to 268,342.80, 402,053.40 and 174,800.40 is: 261,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,342.80 : 402,053.40 = 174,800.40 : x
  2. Step 2: Convert to fraction form
    268,342.80/402,053.40 = 174,800.40/x
  3. Step 3: Cross multiply
    268,342.80x = 402,053.40 × 174,800.40
  4. Step 4: Simplify right side
    268,342.80x = 70,279,095,141.36
  5. Step 5: Solve for x
    x = 70,279,095,141.36/268,342.80
  6. Step 6: Final answer
    x = 261,900.43

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1.5x scale

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.