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Finding the Fourth Proportional to 260,875.53, 359,997.96 and 147,698.28

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Solution

The fourth proportional to 260,875.53, 359,997.96 and 147,698.28 is: 203,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,875.53 : 359,997.96 = 147,698.28 : x
  2. Step 2: Convert to fraction form
    260,875.53/359,997.96 = 147,698.28/x
  3. Step 3: Cross multiply
    260,875.53x = 359,997.96 × 147,698.28
  4. Step 4: Simplify right side
    260,875.53x = 53,171,079,495.51
  5. Step 5: Solve for x
    x = 53,171,079,495.51/260,875.53
  6. Step 6: Final answer
    x = 203,817.81

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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.