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Finding the Fourth Proportional to 352,831.27, 486,909.48 and 191,686.27

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Solution

The fourth proportional to 352,831.27, 486,909.48 and 191,686.27 is: 264,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,831.27 : 486,909.48 = 191,686.27 : x
  2. Step 2: Convert to fraction form
    352,831.27/486,909.48 = 191,686.27/x
  3. Step 3: Cross multiply
    352,831.27x = 486,909.48 × 191,686.27
  4. Step 4: Simplify right side
    352,831.27x = 93,333,862,048.84
  5. Step 5: Solve for x
    x = 93,333,862,048.84/352,831.27
  6. Step 6: Final answer
    x = 264,528.32

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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.