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Finding the Fourth Proportional to 249,564.60, 374,346.90 and 205,241.40

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Solution

The fourth proportional to 249,564.60, 374,346.90 and 205,241.40 is: 307,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,564.60 : 374,346.90 = 205,241.40 : x
  2. Step 2: Convert to fraction form
    249,564.60/374,346.90 = 205,241.40/x
  3. Step 3: Cross multiply
    249,564.60x = 374,346.90 × 205,241.40
  4. Step 4: Simplify right side
    249,564.60x = 76,831,481,841.66
  5. Step 5: Solve for x
    x = 76,831,481,841.66/249,564.60
  6. Step 6: Final answer
    x = 307,862.10

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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.