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Finding the Fourth Proportional to 353,975.70, 488,484.06 and 192,830.85

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Solution

The fourth proportional to 353,975.70, 488,484.06 and 192,830.85 is: 266,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,975.70 : 488,484.06 = 192,830.85 : x
  2. Step 2: Convert to fraction form
    353,975.70/488,484.06 = 192,830.85/x
  3. Step 3: Cross multiply
    353,975.70x = 488,484.06 × 192,830.85
  4. Step 4: Simplify right side
    353,975.70x = 94,194,796,501.25
  5. Step 5: Solve for x
    x = 94,194,796,501.25/353,975.70
  6. Step 6: Final answer
    x = 266,105.26

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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.