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Finding the Fourth Proportional to 271,508,985.40, 407,263,478.10 and 250,251,345.40

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Solution

The fourth proportional to 271,508,985.40, 407,263,478.10 and 250,251,345.40 is: 375,377,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,508,985.40 : 407,263,478.10 = 250,251,345.40 : x
  2. Step 2: Convert to fraction form
    271,508,985.40/407,263,478.10 = 250,251,345.40/x
  3. Step 3: Cross multiply
    271,508,985.40x = 407,263,478.10 × 250,251,345.40
  4. Step 4: Simplify right side
    271,508,985.40x = 101,918,233,326,808,448
  5. Step 5: Solve for x
    x = 101,918,233,326,808,448/271,508,985.40
  6. Step 6: Final answer
    x = 375,377,018.10

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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.