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Finding the Fourth Proportional to 492,298.67, 674,941.68 and 483,331.05

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Solution

The fourth proportional to 492,298.67, 674,941.68 and 483,331.05 is: 662,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,298.67 : 674,941.68 = 483,331.05 : x
  2. Step 2: Convert to fraction form
    492,298.67/674,941.68 = 483,331.05/x
  3. Step 3: Cross multiply
    492,298.67x = 674,941.68 × 483,331.05
  4. Step 4: Simplify right side
    492,298.67x = 326,220,270,883.16
  5. Step 5: Solve for x
    x = 326,220,270,883.16/492,298.67
  6. Step 6: Final answer
    x = 662,647.07

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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.