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Finding the Fourth Proportional to 617,159.00, 925,499.19 and 212,274.22

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Solution

The fourth proportional to 617,159.00, 925,499.19 and 212,274.22 is: 318,329.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,159.00 : 925,499.19 = 212,274.22 : x
  2. Step 2: Convert to fraction form
    617,159.00/925,499.19 = 212,274.22/x
  3. Step 3: Cross multiply
    617,159.00x = 925,499.19 × 212,274.22
  4. Step 4: Simplify right side
    617,159.00x = 196,459,618,288.45
  5. Step 5: Solve for x
    x = 196,459,618,288.45/617,159.00
  6. Step 6: Final answer
    x = 318,329.02

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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.