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Finding the Fourth Proportional to 587,851.70, 810,484.16 and 380,754.54

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Solution

The fourth proportional to 587,851.70, 810,484.16 and 380,754.54 is: 524,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,851.70 : 810,484.16 = 380,754.54 : x
  2. Step 2: Convert to fraction form
    587,851.70/810,484.16 = 380,754.54/x
  3. Step 3: Cross multiply
    587,851.70x = 810,484.16 × 380,754.54
  4. Step 4: Simplify right side
    587,851.70x = 308,595,521,614.31
  5. Step 5: Solve for x
    x = 308,595,521,614.31/587,851.70
  6. Step 6: Final answer
    x = 524,954.72

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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.