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Finding the Fourth Proportional to 571,794.50, 789,080.10 and 317,146.34

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Solution

The fourth proportional to 571,794.50, 789,080.10 and 317,146.34 is: 437,664.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,794.50 : 789,080.10 = 317,146.34 : x
  2. Step 2: Convert to fraction form
    571,794.50/789,080.10 = 317,146.34/x
  3. Step 3: Cross multiply
    571,794.50x = 789,080.10 × 317,146.34
  4. Step 4: Simplify right side
    571,794.50x = 250,253,865,681.83
  5. Step 5: Solve for x
    x = 250,253,865,681.83/571,794.50
  6. Step 6: Final answer
    x = 437,664.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.