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Finding the Fourth Proportional to 352,975.67, 487,110.15 and 191,830.71

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Solution

The fourth proportional to 352,975.67, 487,110.15 and 191,830.71 is: 264,728.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,975.67 : 487,110.15 = 191,830.71 : x
  2. Step 2: Convert to fraction form
    352,975.67/487,110.15 = 191,830.71/x
  3. Step 3: Cross multiply
    352,975.67x = 487,110.15 × 191,830.71
  4. Step 4: Simplify right side
    352,975.67x = 93,442,685,922.71
  5. Step 5: Solve for x
    x = 93,442,685,922.71/352,975.67
  6. Step 6: Final answer
    x = 264,728.41

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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.