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Finding the Fourth Proportional to 500,542.48, 750,895.53 and 163,485.28

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Solution

The fourth proportional to 500,542.48, 750,895.53 and 163,485.28 is: 245,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,542.48 : 750,895.53 = 163,485.28 : x
  2. Step 2: Convert to fraction form
    500,542.48/750,895.53 = 163,485.28/x
  3. Step 3: Cross multiply
    500,542.48x = 750,895.53 × 163,485.28
  4. Step 4: Simplify right side
    500,542.48x = 122,760,361,400.89
  5. Step 5: Solve for x
    x = 122,760,361,400.89/500,542.48
  6. Step 6: Final answer
    x = 245,254.63

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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.