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Finding the Fourth Proportional to 343,185.86, 473,595.66 and 188,136.87

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Solution

The fourth proportional to 343,185.86, 473,595.66 and 188,136.87 is: 259,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,185.86 : 473,595.66 = 188,136.87 : x
  2. Step 2: Convert to fraction form
    343,185.86/473,595.66 = 188,136.87/x
  3. Step 3: Cross multiply
    343,185.86x = 473,595.66 × 188,136.87
  4. Step 4: Simplify right side
    343,185.86x = 89,100,805,117.98
  5. Step 5: Solve for x
    x = 89,100,805,117.98/343,185.86
  6. Step 6: Final answer
    x = 259,628.43

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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.