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Finding the Fourth Proportional to 474,662.43, 655,035.66 and 259,816.41

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Solution

The fourth proportional to 474,662.43, 655,035.66 and 259,816.41 is: 358,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,662.43 : 655,035.66 = 259,816.41 : x
  2. Step 2: Convert to fraction form
    474,662.43/655,035.66 = 259,816.41/x
  3. Step 3: Cross multiply
    474,662.43x = 655,035.66 × 259,816.41
  4. Step 4: Simplify right side
    474,662.43x = 170,189,013,603.18
  5. Step 5: Solve for x
    x = 170,189,013,603.18/474,662.43
  6. Step 6: Final answer
    x = 358,547.47

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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.