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Finding the Fourth Proportional to 260,611.81, 360,330.53 and 228,253.64

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Solution

The fourth proportional to 260,611.81, 360,330.53 and 228,253.64 is: 315,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,611.81 : 360,330.53 = 228,253.64 : x
  2. Step 2: Convert to fraction form
    260,611.81/360,330.53 = 228,253.64/x
  3. Step 3: Cross multiply
    260,611.81x = 360,330.53 × 228,253.64
  4. Step 4: Simplify right side
    260,611.81x = 82,246,756,547.09
  5. Step 5: Solve for x
    x = 82,246,756,547.09/260,611.81
  6. Step 6: Final answer
    x = 315,591.06

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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.