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Finding the Fourth Proportional to 548,693.67, 757,051.24 and 376,664.25

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Solution

The fourth proportional to 548,693.67, 757,051.24 and 376,664.25 is: 519,696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,693.67 : 757,051.24 = 376,664.25 : x
  2. Step 2: Convert to fraction form
    548,693.67/757,051.24 = 376,664.25/x
  3. Step 3: Cross multiply
    548,693.67x = 757,051.24 × 376,664.25
  4. Step 4: Simplify right side
    548,693.67x = 285,154,137,526.17
  5. Step 5: Solve for x
    x = 285,154,137,526.17/548,693.67
  6. Step 6: Final answer
    x = 519,696.42

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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.