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Finding the Fourth Proportional to 353,295.55, 487,550.10 and 192,151.75

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Solution

The fourth proportional to 353,295.55, 487,550.10 and 192,151.75 is: 265,170.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,295.55 : 487,550.10 = 192,151.75 : x
  2. Step 2: Convert to fraction form
    353,295.55/487,550.10 = 192,151.75/x
  3. Step 3: Cross multiply
    353,295.55x = 487,550.10 × 192,151.75
  4. Step 4: Simplify right side
    353,295.55x = 93,683,604,927.68
  5. Step 5: Solve for x
    x = 93,683,604,927.68/353,295.55
  6. Step 6: Final answer
    x = 265,170.63

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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.