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Finding the Fourth Proportional to 490,797.88, 736,206.06 and 153,831.12

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Solution

The fourth proportional to 490,797.88, 736,206.06 and 153,831.12 is: 230,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,797.88 : 736,206.06 = 153,831.12 : x
  2. Step 2: Convert to fraction form
    490,797.88/736,206.06 = 153,831.12/x
  3. Step 3: Cross multiply
    490,797.88x = 736,206.06 × 153,831.12
  4. Step 4: Simplify right side
    490,797.88x = 113,251,402,760.59
  5. Step 5: Solve for x
    x = 113,251,402,760.59/490,797.88
  6. Step 6: Final answer
    x = 230,749.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.