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Finding the Fourth Proportional to 483,296.40, 724,231.80 and 350,456.40

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Solution

The fourth proportional to 483,296.40, 724,231.80 and 350,456.40 is: 525,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,296.40 : 724,231.80 = 350,456.40 : x
  2. Step 2: Convert to fraction form
    483,296.40/724,231.80 = 350,456.40/x
  3. Step 3: Cross multiply
    483,296.40x = 724,231.80 × 350,456.40
  4. Step 4: Simplify right side
    483,296.40x = 253,811,669,393.52
  5. Step 5: Solve for x
    x = 253,811,669,393.52/483,296.40
  6. Step 6: Final answer
    x = 525,167.72

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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.