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Finding the Fourth Proportional to 486,813.60, 730,047.60 and 337,053.60

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Solution

The fourth proportional to 486,813.60, 730,047.60 and 337,053.60 is: 505,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,813.60 : 730,047.60 = 337,053.60 : x
  2. Step 2: Convert to fraction form
    486,813.60/730,047.60 = 337,053.60/x
  3. Step 3: Cross multiply
    486,813.60x = 730,047.60 × 337,053.60
  4. Step 4: Simplify right side
    486,813.60x = 246,065,171,751.36
  5. Step 5: Solve for x
    x = 246,065,171,751.36/486,813.60
  6. Step 6: Final answer
    x = 505,460.76

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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.