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Finding the Fourth Proportional to 653,540.73, 980,477.42 and 383,896.91

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Solution

The fourth proportional to 653,540.73, 980,477.42 and 383,896.91 is: 575,943.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,540.73 : 980,477.42 = 383,896.91 : x
  2. Step 2: Convert to fraction form
    653,540.73/980,477.42 = 383,896.91/x
  3. Step 3: Cross multiply
    653,540.73x = 980,477.42 × 383,896.91
  4. Step 4: Simplify right side
    653,540.73x = 376,402,245,040.90
  5. Step 5: Solve for x
    x = 376,402,245,040.90/653,540.73
  6. Step 6: Final answer
    x = 575,943.06

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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.