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Finding the Fourth Proportional to 548,693.42, 757,050.90 and 376,664

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Solution

The fourth proportional to 548,693.42, 757,050.90 and 376,664 is: 519,696.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,693.42 : 757,050.90 = 376,664 : x
  2. Step 2: Convert to fraction form
    548,693.42/757,050.90 = 376,664/x
  3. Step 3: Cross multiply
    548,693.42x = 757,050.90 × 376,664
  4. Step 4: Simplify right side
    548,693.42x = 285,153,820,197.60
  5. Step 5: Solve for x
    x = 285,153,820,197.60/548,693.42
  6. Step 6: Final answer
    x = 519,696.08

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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.