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Finding the Fourth Proportional to 500,458.50, 748,804.37 and 350,990.55

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Solution

The fourth proportional to 500,458.50, 748,804.37 and 350,990.55 is: 525,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,458.50 : 748,804.37 = 350,990.55 : x
  2. Step 2: Convert to fraction form
    500,458.50/748,804.37 = 350,990.55/x
  3. Step 3: Cross multiply
    500,458.50x = 748,804.37 × 350,990.55
  4. Step 4: Simplify right side
    500,458.50x = 262,823,255,913.75
  5. Step 5: Solve for x
    x = 262,823,255,913.75/500,458.50
  6. Step 6: Final answer
    x = 525,164.94

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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.