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Finding the Fourth Proportional to 587,518.56, 810,776.40 and 332,886.96

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Solution

The fourth proportional to 587,518.56, 810,776.40 and 332,886.96 is: 459,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,518.56 : 810,776.40 = 332,886.96 : x
  2. Step 2: Convert to fraction form
    587,518.56/810,776.40 = 332,886.96/x
  3. Step 3: Cross multiply
    587,518.56x = 810,776.40 × 332,886.96
  4. Step 4: Simplify right side
    587,518.56x = 269,896,891,035.74
  5. Step 5: Solve for x
    x = 269,896,891,035.74/587,518.56
  6. Step 6: Final answer
    x = 459,384.45

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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.