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Finding the Fourth Proportional to 492,296.46, 674,938.70 and 483,328.86

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Solution

The fourth proportional to 492,296.46, 674,938.70 and 483,328.86 is: 662,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,296.46 : 674,938.70 = 483,328.86 : x
  2. Step 2: Convert to fraction form
    492,296.46/674,938.70 = 483,328.86/x
  3. Step 3: Cross multiply
    492,296.46x = 674,938.70 × 483,328.86
  4. Step 4: Simplify right side
    492,296.46x = 326,217,350,024.24
  5. Step 5: Solve for x
    x = 326,217,350,024.24/492,296.46
  6. Step 6: Final answer
    x = 662,644.11

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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.