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Finding the Fourth Proportional to 605,166.20, 905,999.70 and 587,670.20

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Solution

The fourth proportional to 605,166.20, 905,999.70 and 587,670.20 is: 879,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,166.20 : 905,999.70 = 587,670.20 : x
  2. Step 2: Convert to fraction form
    605,166.20/905,999.70 = 587,670.20/x
  3. Step 3: Cross multiply
    605,166.20x = 905,999.70 × 587,670.20
  4. Step 4: Simplify right side
    605,166.20x = 532,429,024,898.94
  5. Step 5: Solve for x
    x = 532,429,024,898.94/605,166.20
  6. Step 6: Final answer
    x = 879,806.28

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1.5x scale

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.