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Finding the Fourth Proportional to 343,352.15, 473,831.57 and 190,396.81

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Solution

The fourth proportional to 343,352.15, 473,831.57 and 190,396.81 is: 262,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,352.15 : 473,831.57 = 190,396.81 : x
  2. Step 2: Convert to fraction form
    343,352.15/473,831.57 = 190,396.81/x
  3. Step 3: Cross multiply
    343,352.15x = 473,831.57 × 190,396.81
  4. Step 4: Simplify right side
    343,352.15x = 90,216,020,473.57
  5. Step 5: Solve for x
    x = 90,216,020,473.57/343,352.15
  6. Step 6: Final answer
    x = 262,750.71

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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.