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Finding the Fourth Proportional to 555,001.54, 766,050.14 and 313,425.52

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Solution

The fourth proportional to 555,001.54, 766,050.14 and 313,425.52 is: 432,610.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,001.54 : 766,050.14 = 313,425.52 : x
  2. Step 2: Convert to fraction form
    555,001.54/766,050.14 = 313,425.52/x
  3. Step 3: Cross multiply
    555,001.54x = 766,050.14 × 313,425.52
  4. Step 4: Simplify right side
    555,001.54x = 240,099,662,344.01
  5. Step 5: Solve for x
    x = 240,099,662,344.01/555,001.54
  6. Step 6: Final answer
    x = 432,610.81

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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.