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Finding the Fourth Proportional to 662,558.88, 914,342.32 and 376,087.76

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Solution

The fourth proportional to 662,558.88, 914,342.32 and 376,087.76 is: 519,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,558.88 : 914,342.32 = 376,087.76 : x
  2. Step 2: Convert to fraction form
    662,558.88/914,342.32 = 376,087.76/x
  3. Step 3: Cross multiply
    662,558.88x = 914,342.32 × 376,087.76
  4. Step 4: Simplify right side
    662,558.88x = 343,872,955,002.00
  5. Step 5: Solve for x
    x = 343,872,955,002.00/662,558.88
  6. Step 6: Final answer
    x = 519,007.39

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1.5x scale

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.