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Finding the Fourth Proportional to 447,161.02, 616,878.66 and 265,769.88

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Solution

The fourth proportional to 447,161.02, 616,878.66 and 265,769.88 is: 366,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,161.02 : 616,878.66 = 265,769.88 : x
  2. Step 2: Convert to fraction form
    447,161.02/616,878.66 = 265,769.88/x
  3. Step 3: Cross multiply
    447,161.02x = 616,878.66 × 265,769.88
  4. Step 4: Simplify right side
    447,161.02x = 163,947,767,442.76
  5. Step 5: Solve for x
    x = 163,947,767,442.76/447,161.02
  6. Step 6: Final answer
    x = 366,641.46

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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.