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Finding the Fourth Proportional to 544,030.40, 816,175.20 and 263,316.80

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Solution

The fourth proportional to 544,030.40, 816,175.20 and 263,316.80 is: 395,037.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,030.40 : 816,175.20 = 263,316.80 : x
  2. Step 2: Convert to fraction form
    544,030.40/816,175.20 = 263,316.80/x
  3. Step 3: Cross multiply
    544,030.40x = 816,175.20 × 263,316.80
  4. Step 4: Simplify right side
    544,030.40x = 214,912,641,903.36
  5. Step 5: Solve for x
    x = 214,912,641,903.36/544,030.40
  6. Step 6: Final answer
    x = 395,037.93

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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.