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Finding the Fourth Proportional to 616,240.80, 923,497.20 and 490,096.80

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Solution

The fourth proportional to 616,240.80, 923,497.20 and 490,096.80 is: 734,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,240.80 : 923,497.20 = 490,096.80 : x
  2. Step 2: Convert to fraction form
    616,240.80/923,497.20 = 490,096.80/x
  3. Step 3: Cross multiply
    616,240.80x = 923,497.20 × 490,096.80
  4. Step 4: Simplify right side
    616,240.80x = 452,603,022,528.96
  5. Step 5: Solve for x
    x = 452,603,022,528.96/616,240.80
  6. Step 6: Final answer
    x = 734,458.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.