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Finding the Fourth Proportional to 441,663.16, 609,411.18 and 280,544.44

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Solution

The fourth proportional to 441,663.16, 609,411.18 and 280,544.44 is: 387,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,663.16 : 609,411.18 = 280,544.44 : x
  2. Step 2: Convert to fraction form
    441,663.16/609,411.18 = 280,544.44/x
  3. Step 3: Cross multiply
    441,663.16x = 609,411.18 × 280,544.44
  4. Step 4: Simplify right side
    441,663.16x = 170,966,918,222.84
  5. Step 5: Solve for x
    x = 170,966,918,222.84/441,663.16
  6. Step 6: Final answer
    x = 387,097.98

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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.