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Finding the Fourth Proportional to 271,808,822.60, 407,713,233.90 and 169,887,235.40

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Solution

The fourth proportional to 271,808,822.60, 407,713,233.90 and 169,887,235.40 is: 254,830,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,808,822.60 : 407,713,233.90 = 169,887,235.40 : x
  2. Step 2: Convert to fraction form
    271,808,822.60/407,713,233.90 = 169,887,235.40/x
  3. Step 3: Cross multiply
    271,808,822.60x = 407,713,233.90 × 169,887,235.40
  4. Step 4: Simplify right side
    271,808,822.60x = 69,265,274,143,264,560
  5. Step 5: Solve for x
    x = 69,265,274,143,264,560/271,808,822.60
  6. Step 6: Final answer
    x = 254,830,853.10

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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.