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Finding the Fourth Proportional to 587,503.98, 810,885.87 and 332,995.50

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Solution

The fourth proportional to 587,503.98, 810,885.87 and 332,995.50 is: 459,607.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,503.98 : 810,885.87 = 332,995.50 : x
  2. Step 2: Convert to fraction form
    587,503.98/810,885.87 = 332,995.50/x
  3. Step 3: Cross multiply
    587,503.98x = 810,885.87 × 332,995.50
  4. Step 4: Simplify right side
    587,503.98x = 270,021,345,723.59
  5. Step 5: Solve for x
    x = 270,021,345,723.59/587,503.98
  6. Step 6: Final answer
    x = 459,607.69

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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.