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Finding the Fourth Proportional to 343,439.99, 473,975.54 and 190,527.43

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Solution

The fourth proportional to 343,439.99, 473,975.54 and 190,527.43 is: 262,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,439.99 : 473,975.54 = 190,527.43 : x
  2. Step 2: Convert to fraction form
    343,439.99/473,975.54 = 190,527.43/x
  3. Step 3: Cross multiply
    343,439.99x = 473,975.54 × 190,527.43
  4. Step 4: Simplify right side
    343,439.99x = 90,305,341,519.06
  5. Step 5: Solve for x
    x = 90,305,341,519.06/343,439.99
  6. Step 6: Final answer
    x = 262,943.58

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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.