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Finding the Fourth Proportional to 496,231.80, 744,347.70 and 472,903.80

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Solution

The fourth proportional to 496,231.80, 744,347.70 and 472,903.80 is: 709,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,231.80 : 744,347.70 = 472,903.80 : x
  2. Step 2: Convert to fraction form
    496,231.80/744,347.70 = 472,903.80/x
  3. Step 3: Cross multiply
    496,231.80x = 744,347.70 × 472,903.80
  4. Step 4: Simplify right side
    496,231.80x = 352,004,855,851.26
  5. Step 5: Solve for x
    x = 352,004,855,851.26/496,231.80
  6. Step 6: Final answer
    x = 709,355.70

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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.