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Finding the Fourth Proportional to 662,736.76, 914,602.62 and 376,283.50

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Solution

The fourth proportional to 662,736.76, 914,602.62 and 376,283.50 is: 519,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,736.76 : 914,602.62 = 376,283.50 : x
  2. Step 2: Convert to fraction form
    662,736.76/914,602.62 = 376,283.50/x
  3. Step 3: Cross multiply
    662,736.76x = 914,602.62 × 376,283.50
  4. Step 4: Simplify right side
    662,736.76x = 344,149,874,962.77
  5. Step 5: Solve for x
    x = 344,149,874,962.77/662,736.76
  6. Step 6: Final answer
    x = 519,285.93

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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.