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Finding the Fourth Proportional to 281,773.70, 388,887.58 and 174,378.32

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Solution

The fourth proportional to 281,773.70, 388,887.58 and 174,378.32 is: 240,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,773.70 : 388,887.58 = 174,378.32 : x
  2. Step 2: Convert to fraction form
    281,773.70/388,887.58 = 174,378.32/x
  3. Step 3: Cross multiply
    281,773.70x = 388,887.58 × 174,378.32
  4. Step 4: Simplify right side
    281,773.70x = 67,813,562,869.27
  5. Step 5: Solve for x
    x = 67,813,562,869.27/281,773.70
  6. Step 6: Final answer
    x = 240,666.76

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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.