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Finding the Fourth Proportional to 777,605.13, 1,073,099.93 and 433,462.91

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Solution

The fourth proportional to 777,605.13, 1,073,099.93 and 433,462.91 is: 598,181.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,605.13 : 1,073,099.93 = 433,462.91 : x
  2. Step 2: Convert to fraction form
    777,605.13/1,073,099.93 = 433,462.91/x
  3. Step 3: Cross multiply
    777,605.13x = 1,073,099.93 × 433,462.91
  4. Step 4: Simplify right side
    777,605.13x = 465,149,010,845.78
  5. Step 5: Solve for x
    x = 465,149,010,845.78/777,605.13
  6. Step 6: Final answer
    x = 598,181.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.