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Finding the Fourth Proportional to 271,445.28, 374,606.28 and 180,656.16

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Solution

The fourth proportional to 271,445.28, 374,606.28 and 180,656.16 is: 249,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,445.28 : 374,606.28 = 180,656.16 : x
  2. Step 2: Convert to fraction form
    271,445.28/374,606.28 = 180,656.16/x
  3. Step 3: Cross multiply
    271,445.28x = 374,606.28 × 180,656.16
  4. Step 4: Simplify right side
    271,445.28x = 67,674,932,056.68
  5. Step 5: Solve for x
    x = 67,674,932,056.68/271,445.28
  6. Step 6: Final answer
    x = 249,313.35

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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.