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Finding the Fourth Proportional to 832,707, 1,149,136.20 and 450,736.92

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Solution

The fourth proportional to 832,707, 1,149,136.20 and 450,736.92 is: 622,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,707 : 1,149,136.20 = 450,736.92 : x
  2. Step 2: Convert to fraction form
    832,707/1,149,136.20 = 450,736.92/x
  3. Step 3: Cross multiply
    832,707x = 1,149,136.20 × 450,736.92
  4. Step 4: Simplify right side
    832,707x = 517,958,111,448.50
  5. Step 5: Solve for x
    x = 517,958,111,448.50/832,707
  6. Step 6: Final answer
    x = 622,017.24

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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.