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Finding the Fourth Proportional to 376,144.98, 560,308.04 and 355,772.67

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Solution

The fourth proportional to 376,144.98, 560,308.04 and 355,772.67 is: 529,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,144.98 : 560,308.04 = 355,772.67 : x
  2. Step 2: Convert to fraction form
    376,144.98/560,308.04 = 355,772.67/x
  3. Step 3: Cross multiply
    376,144.98x = 560,308.04 × 355,772.67
  4. Step 4: Simplify right side
    376,144.98x = 199,342,285,634.40
  5. Step 5: Solve for x
    x = 199,342,285,634.40/376,144.98
  6. Step 6: Final answer
    x = 529,961.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.