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Finding the Fourth Proportional to 524,602.08, 786,946.47 and 221,084.04

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Solution

The fourth proportional to 524,602.08, 786,946.47 and 221,084.04 is: 331,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,602.08 : 786,946.47 = 221,084.04 : x
  2. Step 2: Convert to fraction form
    524,602.08/786,946.47 = 221,084.04/x
  3. Step 3: Cross multiply
    524,602.08x = 786,946.47 × 221,084.04
  4. Step 4: Simplify right side
    524,602.08x = 173,981,304,851.34
  5. Step 5: Solve for x
    x = 173,981,304,851.34/524,602.08
  6. Step 6: Final answer
    x = 331,644.33

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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.