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Finding the Fourth Proportional to 458,390.02, 632,566.08 and 254,440.36

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Solution

The fourth proportional to 458,390.02, 632,566.08 and 254,440.36 is: 351,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,390.02 : 632,566.08 = 254,440.36 : x
  2. Step 2: Convert to fraction form
    458,390.02/632,566.08 = 254,440.36/x
  3. Step 3: Cross multiply
    458,390.02x = 632,566.08 × 254,440.36
  4. Step 4: Simplify right side
    458,390.02x = 160,950,341,118.99
  5. Step 5: Solve for x
    x = 160,950,341,118.99/458,390.02
  6. Step 6: Final answer
    x = 351,120.95

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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.