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Finding the Fourth Proportional to 281,595.64, 388,615.98 and 174,221.56

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Solution

The fourth proportional to 281,595.64, 388,615.98 and 174,221.56 is: 240,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,595.64 : 388,615.98 = 174,221.56 : x
  2. Step 2: Convert to fraction form
    281,595.64/388,615.98 = 174,221.56/x
  3. Step 3: Cross multiply
    281,595.64x = 388,615.98 × 174,221.56
  4. Step 4: Simplify right side
    281,595.64x = 67,705,282,276.53
  5. Step 5: Solve for x
    x = 67,705,282,276.53/281,595.64
  6. Step 6: Final answer
    x = 240,434.41

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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.