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Finding the Fourth Proportional to 606,581.10, 909,288.45 and 471,570.30

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Solution

The fourth proportional to 606,581.10, 909,288.45 and 471,570.30 is: 706,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,581.10 : 909,288.45 = 471,570.30 : x
  2. Step 2: Convert to fraction form
    606,581.10/909,288.45 = 471,570.30/x
  3. Step 3: Cross multiply
    606,581.10x = 909,288.45 × 471,570.30
  4. Step 4: Simplify right side
    606,581.10x = 428,793,427,153.04
  5. Step 5: Solve for x
    x = 428,793,427,153.04/606,581.10
  6. Step 6: Final answer
    x = 706,902.06

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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.