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Finding the Fourth Proportional to 622,164.10, 934,230.30 and 472,573.30

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Solution

The fourth proportional to 622,164.10, 934,230.30 and 472,573.30 is: 709,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,164.10 : 934,230.30 = 472,573.30 : x
  2. Step 2: Convert to fraction form
    622,164.10/934,230.30 = 472,573.30/x
  3. Step 3: Cross multiply
    622,164.10x = 934,230.30 × 472,573.30
  4. Step 4: Simplify right side
    622,164.10x = 441,492,295,830.99
  5. Step 5: Solve for x
    x = 441,492,295,830.99/622,164.10
  6. Step 6: Final answer
    x = 709,607.47

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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.