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Finding the Fourth Proportional to 587,590.40, 805,593.86 and 576,961.58

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Solution

The fourth proportional to 587,590.40, 805,593.86 and 576,961.58 is: 791,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,590.40 : 805,593.86 = 576,961.58 : x
  2. Step 2: Convert to fraction form
    587,590.40/805,593.86 = 576,961.58/x
  3. Step 3: Cross multiply
    587,590.40x = 805,593.86 × 576,961.58
  4. Step 4: Simplify right side
    587,590.40x = 464,796,706,303.90
  5. Step 5: Solve for x
    x = 464,796,706,303.90/587,590.40
  6. Step 6: Final answer
    x = 791,021.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.