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Finding the Fourth Proportional to 555,711.90, 766,882.37 and 301,063.10

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Solution

The fourth proportional to 555,711.90, 766,882.37 and 301,063.10 is: 415,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,711.90 : 766,882.37 = 301,063.10 : x
  2. Step 2: Convert to fraction form
    555,711.90/766,882.37 = 301,063.10/x
  3. Step 3: Cross multiply
    555,711.90x = 766,882.37 × 301,063.10
  4. Step 4: Simplify right side
    555,711.90x = 230,879,978,307.82
  5. Step 5: Solve for x
    x = 230,879,978,307.82/555,711.90
  6. Step 6: Final answer
    x = 415,467.04

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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.