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Finding the Fourth Proportional to 777,160.67, 1,164,053.66 and 376,960.32

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Solution

The fourth proportional to 777,160.67, 1,164,053.66 and 376,960.32 is: 564,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,160.67 : 1,164,053.66 = 376,960.32 : x
  2. Step 2: Convert to fraction form
    777,160.67/1,164,053.66 = 376,960.32/x
  3. Step 3: Cross multiply
    777,160.67x = 1,164,053.66 × 376,960.32
  4. Step 4: Simplify right side
    777,160.67x = 438,802,038,285.97
  5. Step 5: Solve for x
    x = 438,802,038,285.97/777,160.67
  6. Step 6: Final answer
    x = 564,622.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.