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Finding the Fourth Proportional to 375,628,700.00, 563,443,067.51 and 257,336,815.14

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Solution

The fourth proportional to 375,628,700.00, 563,443,067.51 and 257,336,815.14 is: 386,005,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,628,700.00 : 563,443,067.51 = 257,336,815.14 : x
  2. Step 2: Convert to fraction form
    375,628,700.00/563,443,067.51 = 257,336,815.14/x
  3. Step 3: Cross multiply
    375,628,700.00x = 563,443,067.51 × 257,336,815.14
  4. Step 4: Simplify right side
    375,628,700.00x = 144,994,644,506,579,904
  5. Step 5: Solve for x
    x = 144,994,644,506,579,904/375,628,700.00
  6. Step 6: Final answer
    x = 386,005,234.71

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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.