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Finding the Fourth Proportional to 559,859.92, 839,954.08 and 180,772.40

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Solution

The fourth proportional to 559,859.92, 839,954.08 and 180,772.40 is: 271,211.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,859.92 : 839,954.08 = 180,772.40 : x
  2. Step 2: Convert to fraction form
    559,859.92/839,954.08 = 180,772.40/x
  3. Step 3: Cross multiply
    559,859.92x = 839,954.08 × 180,772.40
  4. Step 4: Simplify right side
    559,859.92x = 151,840,514,931.39
  5. Step 5: Solve for x
    x = 151,840,514,931.39/559,859.92
  6. Step 6: Final answer
    x = 271,211.62

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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.