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Finding the Fourth Proportional to 343,093.94, 473,470.75 and 190,134.65

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Solution

The fourth proportional to 343,093.94, 473,470.75 and 190,134.65 is: 262,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,093.94 : 473,470.75 = 190,134.65 : x
  2. Step 2: Convert to fraction form
    343,093.94/473,470.75 = 190,134.65/x
  3. Step 3: Cross multiply
    343,093.94x = 473,470.75 × 190,134.65
  4. Step 4: Simplify right side
    343,093.94x = 90,023,195,336.49
  5. Step 5: Solve for x
    x = 90,023,195,336.49/343,093.94
  6. Step 6: Final answer
    x = 262,386.43

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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.