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Finding the Fourth Proportional to 492,328, 734,627.72 and 462,234.88

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Solution

The fourth proportional to 492,328, 734,627.72 and 462,234.88 is: 689,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,328 : 734,627.72 = 462,234.88 : x
  2. Step 2: Convert to fraction form
    492,328/734,627.72 = 462,234.88/x
  3. Step 3: Cross multiply
    492,328x = 734,627.72 × 462,234.88
  4. Step 4: Simplify right side
    492,328x = 339,570,555,998.87
  5. Step 5: Solve for x
    x = 339,570,555,998.87/492,328
  6. Step 6: Final answer
    x = 689,724.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.