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Finding the Fourth Proportional to 587,757.98, 811,194.68 and 358,448.30

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Solution

The fourth proportional to 587,757.98, 811,194.68 and 358,448.30 is: 494,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,757.98 : 811,194.68 = 358,448.30 : x
  2. Step 2: Convert to fraction form
    587,757.98/811,194.68 = 358,448.30/x
  3. Step 3: Cross multiply
    587,757.98x = 811,194.68 × 358,448.30
  4. Step 4: Simplify right side
    587,757.98x = 290,771,354,015.04
  5. Step 5: Solve for x
    x = 290,771,354,015.04/587,757.98
  6. Step 6: Final answer
    x = 494,712.73

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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.