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Finding the Fourth Proportional to 343,430.88, 473,934.61 and 192,527.88

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Solution

The fourth proportional to 343,430.88, 473,934.61 and 192,527.88 is: 265,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,430.88 : 473,934.61 = 192,527.88 : x
  2. Step 2: Convert to fraction form
    343,430.88/473,934.61 = 192,527.88/x
  3. Step 3: Cross multiply
    343,430.88x = 473,934.61 × 192,527.88
  4. Step 4: Simplify right side
    343,430.88x = 91,245,625,721.93
  5. Step 5: Solve for x
    x = 91,245,625,721.93/343,430.88
  6. Step 6: Final answer
    x = 265,688.47

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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.