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Finding the Fourth Proportional to 468,195.54, 646,105.19 and 253,330.89

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Solution

The fourth proportional to 468,195.54, 646,105.19 and 253,330.89 is: 349,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,195.54 : 646,105.19 = 253,330.89 : x
  2. Step 2: Convert to fraction form
    468,195.54/646,105.19 = 253,330.89/x
  3. Step 3: Cross multiply
    468,195.54x = 646,105.19 × 253,330.89
  4. Step 4: Simplify right side
    468,195.54x = 163,678,401,549.67
  5. Step 5: Solve for x
    x = 163,678,401,549.67/468,195.54
  6. Step 6: Final answer
    x = 349,594.11

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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.