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Finding the Fourth Proportional to 409,847.88, 565,588.98 and 228,560.01

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Solution

The fourth proportional to 409,847.88, 565,588.98 and 228,560.01 is: 315,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,847.88 : 565,588.98 = 228,560.01 : x
  2. Step 2: Convert to fraction form
    409,847.88/565,588.98 = 228,560.01/x
  3. Step 3: Cross multiply
    409,847.88x = 565,588.98 × 228,560.01
  4. Step 4: Simplify right side
    409,847.88x = 129,271,023,985.17
  5. Step 5: Solve for x
    x = 129,271,023,985.17/409,847.88
  6. Step 6: Final answer
    x = 315,412.20

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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.