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Finding the Fourth Proportional to 606,419.10, 909,628.65 and 541,100.70

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Solution

The fourth proportional to 606,419.10, 909,628.65 and 541,100.70 is: 811,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,419.10 : 909,628.65 = 541,100.70 : x
  2. Step 2: Convert to fraction form
    606,419.10/909,628.65 = 541,100.70/x
  3. Step 3: Cross multiply
    606,419.10x = 909,628.65 × 541,100.70
  4. Step 4: Simplify right side
    606,419.10x = 492,200,699,255.06
  5. Step 5: Solve for x
    x = 492,200,699,255.06/606,419.10
  6. Step 6: Final answer
    x = 811,651.05

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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.