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Finding the Fourth Proportional to 500,672.89, 751,009.16 and 332,521.52

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Solution

The fourth proportional to 500,672.89, 751,009.16 and 332,521.52 is: 498,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,672.89 : 751,009.16 = 332,521.52 : x
  2. Step 2: Convert to fraction form
    500,672.89/751,009.16 = 332,521.52/x
  3. Step 3: Cross multiply
    500,672.89x = 751,009.16 × 332,521.52
  4. Step 4: Simplify right side
    500,672.89x = 249,726,707,417.12
  5. Step 5: Solve for x
    x = 249,726,707,417.12/500,672.89
  6. Step 6: Final answer
    x = 498,782.16

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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.