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Finding the Fourth Proportional to 557,632.78, 835,978.95 and 241,851.84

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Solution

The fourth proportional to 557,632.78, 835,978.95 and 241,851.84 is: 362,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,632.78 : 835,978.95 = 241,851.84 : x
  2. Step 2: Convert to fraction form
    557,632.78/835,978.95 = 241,851.84/x
  3. Step 3: Cross multiply
    557,632.78x = 835,978.95 × 241,851.84
  4. Step 4: Simplify right side
    557,632.78x = 202,183,047,258.77
  5. Step 5: Solve for x
    x = 202,183,047,258.77/557,632.78
  6. Step 6: Final answer
    x = 362,573.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.