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Finding the Fourth Proportional to 610,573.32, 915,673.41 and 422,244

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Solution

The fourth proportional to 610,573.32, 915,673.41 and 422,244 is: 633,236.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,573.32 : 915,673.41 = 422,244 : x
  2. Step 2: Convert to fraction form
    610,573.32/915,673.41 = 422,244/x
  3. Step 3: Cross multiply
    610,573.32x = 915,673.41 × 422,244
  4. Step 4: Simplify right side
    610,573.32x = 386,637,603,332.04
  5. Step 5: Solve for x
    x = 386,637,603,332.04/610,573.32
  6. Step 6: Final answer
    x = 633,236.98

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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.