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Finding the Fourth Proportional to 648,605.64, 895,016.88 and 362,073

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Solution

The fourth proportional to 648,605.64, 895,016.88 and 362,073 is: 499,627.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,605.64 : 895,016.88 = 362,073 : x
  2. Step 2: Convert to fraction form
    648,605.64/895,016.88 = 362,073/x
  3. Step 3: Cross multiply
    648,605.64x = 895,016.88 × 362,073
  4. Step 4: Simplify right side
    648,605.64x = 324,061,446,792.24
  5. Step 5: Solve for x
    x = 324,061,446,792.24/648,605.64
  6. Step 6: Final answer
    x = 499,627.86

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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.