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Finding the Fourth Proportional to 571,800.52, 789,085.16 and 317,153.53

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Solution

The fourth proportional to 571,800.52, 789,085.16 and 317,153.53 is: 437,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,800.52 : 789,085.16 = 317,153.53 : x
  2. Step 2: Convert to fraction form
    571,800.52/789,085.16 = 317,153.53/x
  3. Step 3: Cross multiply
    571,800.52x = 789,085.16 × 317,153.53
  4. Step 4: Simplify right side
    571,800.52x = 250,261,143,964.62
  5. Step 5: Solve for x
    x = 250,261,143,964.62/571,800.52
  6. Step 6: Final answer
    x = 437,672.12

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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.