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Finding the Fourth Proportional to 458,390.03, 632,510.80 and 254,442.51

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Solution

The fourth proportional to 458,390.03, 632,510.80 and 254,442.51 is: 351,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,390.03 : 632,510.80 = 254,442.51 : x
  2. Step 2: Convert to fraction form
    458,390.03/632,510.80 = 254,442.51/x
  3. Step 3: Cross multiply
    458,390.03x = 632,510.80 × 254,442.51
  4. Step 4: Simplify right side
    458,390.03x = 160,937,633,336.73
  5. Step 5: Solve for x
    x = 160,937,633,336.73/458,390.03
  6. Step 6: Final answer
    x = 351,093.23

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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.