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Finding the Fourth Proportional to 442,806.78, 611,073 and 241,602.78

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Solution

The fourth proportional to 442,806.78, 611,073 and 241,602.78 is: 333,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,806.78 : 611,073 = 241,602.78 : x
  2. Step 2: Convert to fraction form
    442,806.78/611,073 = 241,602.78/x
  3. Step 3: Cross multiply
    442,806.78x = 611,073 × 241,602.78
  4. Step 4: Simplify right side
    442,806.78x = 147,636,935,582.94
  5. Step 5: Solve for x
    x = 147,636,935,582.94/442,806.78
  6. Step 6: Final answer
    x = 333,411.64

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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.