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Finding the Fourth Proportional to 451,518.22, 677,276.64 and 249,104.53

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Solution

The fourth proportional to 451,518.22, 677,276.64 and 249,104.53 is: 373,656.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,518.22 : 677,276.64 = 249,104.53 : x
  2. Step 2: Convert to fraction form
    451,518.22/677,276.64 = 249,104.53/x
  3. Step 3: Cross multiply
    451,518.22x = 677,276.64 × 249,104.53
  4. Step 4: Simplify right side
    451,518.22x = 168,712,679,087.18
  5. Step 5: Solve for x
    x = 168,712,679,087.18/451,518.22
  6. Step 6: Final answer
    x = 373,656.41

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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.