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Finding the Fourth Proportional to 343,065.75, 473,430.78 and 192,162.75

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Solution

The fourth proportional to 343,065.75, 473,430.78 and 192,162.75 is: 265,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,065.75 : 473,430.78 = 192,162.75 : x
  2. Step 2: Convert to fraction form
    343,065.75/473,430.78 = 192,162.75/x
  3. Step 3: Cross multiply
    343,065.75x = 473,430.78 × 192,162.75
  4. Step 4: Simplify right side
    343,065.75x = 90,975,760,619.45
  5. Step 5: Solve for x
    x = 90,975,760,619.45/343,065.75
  6. Step 6: Final answer
    x = 265,184.62

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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.