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Finding the Fourth Proportional to 641,297.36, 884,775.44 and 369,359.82

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Solution

The fourth proportional to 641,297.36, 884,775.44 and 369,359.82 is: 509,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,297.36 : 884,775.44 = 369,359.82 : x
  2. Step 2: Convert to fraction form
    641,297.36/884,775.44 = 369,359.82/x
  3. Step 3: Cross multiply
    641,297.36x = 884,775.44 × 369,359.82
  4. Step 4: Simplify right side
    641,297.36x = 326,800,497,258.82
  5. Step 5: Solve for x
    x = 326,800,497,258.82/641,297.36
  6. Step 6: Final answer
    x = 509,592.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.