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Finding the Fourth Proportional to 492,299.67, 674,943.05 and 483,332.05

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Solution

The fourth proportional to 492,299.67, 674,943.05 and 483,332.05 is: 662,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,299.67 : 674,943.05 = 483,332.05 : x
  2. Step 2: Convert to fraction form
    492,299.67/674,943.05 = 483,332.05/x
  3. Step 3: Cross multiply
    492,299.67x = 674,943.05 × 483,332.05
  4. Step 4: Simplify right side
    492,299.67x = 326,221,607,989.75
  5. Step 5: Solve for x
    x = 326,221,607,989.75/492,299.67
  6. Step 6: Final answer
    x = 662,648.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.