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Finding the Fourth Proportional to 490,683.51, 736,025.00 and 153,750.65

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Solution

The fourth proportional to 490,683.51, 736,025.00 and 153,750.65 is: 230,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,683.51 : 736,025.00 = 153,750.65 : x
  2. Step 2: Convert to fraction form
    490,683.51/736,025.00 = 153,750.65/x
  3. Step 3: Cross multiply
    490,683.51x = 736,025.00 × 153,750.65
  4. Step 4: Simplify right side
    490,683.51x = 113,164,317,717.37
  5. Step 5: Solve for x
    x = 113,164,317,717.37/490,683.51
  6. Step 6: Final answer
    x = 230,625.88

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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.