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Finding the Fourth Proportional to 800,580.96, 1,104,420 and 494,547.24

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Solution

The fourth proportional to 800,580.96, 1,104,420 and 494,547.24 is: 682,239.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,580.96 : 1,104,420 = 494,547.24 : x
  2. Step 2: Convert to fraction form
    800,580.96/1,104,420 = 494,547.24/x
  3. Step 3: Cross multiply
    800,580.96x = 1,104,420 × 494,547.24
  4. Step 4: Simplify right side
    800,580.96x = 546,187,862,800.80
  5. Step 5: Solve for x
    x = 546,187,862,800.80/800,580.96
  6. Step 6: Final answer
    x = 682,239.39

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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.