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Finding the Fourth Proportional to 503,102,305.80, 754,653,458.70 and 348,134,110.20

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Solution

The fourth proportional to 503,102,305.80, 754,653,458.70 and 348,134,110.20 is: 522,201,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,102,305.80 : 754,653,458.70 = 348,134,110.20 : x
  2. Step 2: Convert to fraction form
    503,102,305.80/754,653,458.70 = 348,134,110.20/x
  3. Step 3: Cross multiply
    503,102,305.80x = 754,653,458.70 × 348,134,110.20
  4. Step 4: Simplify right side
    503,102,305.80x = 262,720,610,353,876,960
  5. Step 5: Solve for x
    x = 262,720,610,353,876,960/503,102,305.80
  6. Step 6: Final answer
    x = 522,201,165.30

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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.