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Finding the Fourth Proportional to 648,884.96, 895,331.20 and 362,360.96

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Solution

The fourth proportional to 648,884.96, 895,331.20 and 362,360.96 is: 499,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,884.96 : 895,331.20 = 362,360.96 : x
  2. Step 2: Convert to fraction form
    648,884.96/895,331.20 = 362,360.96/x
  3. Step 3: Cross multiply
    648,884.96x = 895,331.20 × 362,360.96
  4. Step 4: Simplify right side
    648,884.96x = 324,433,073,149.95
  5. Step 5: Solve for x
    x = 324,433,073,149.95/648,884.96
  6. Step 6: Final answer
    x = 499,985.50

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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.