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Finding the Fourth Proportional to 351,756.83, 525,088.22 and 309,194.17

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Solution

The fourth proportional to 351,756.83, 525,088.22 and 309,194.17 is: 461,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,756.83 : 525,088.22 = 309,194.17 : x
  2. Step 2: Convert to fraction form
    351,756.83/525,088.22 = 309,194.17/x
  3. Step 3: Cross multiply
    351,756.83x = 525,088.22 × 309,194.17
  4. Step 4: Simplify right side
    351,756.83x = 162,354,213,500.99
  5. Step 5: Solve for x
    x = 162,354,213,500.99/351,756.83
  6. Step 6: Final answer
    x = 461,552.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.