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Finding the Fourth Proportional to 451,876,894.79, 623,555,892.30 and 253,600,095.88

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Solution

The fourth proportional to 451,876,894.79, 623,555,892.30 and 253,600,095.88 is: 349,948,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,876,894.79 : 623,555,892.30 = 253,600,095.88 : x
  2. Step 2: Convert to fraction form
    451,876,894.79/623,555,892.30 = 253,600,095.88/x
  3. Step 3: Cross multiply
    451,876,894.79x = 623,555,892.30 × 253,600,095.88
  4. Step 4: Simplify right side
    451,876,894.79x = 158,133,834,073,818,944
  5. Step 5: Solve for x
    x = 158,133,834,073,818,944/451,876,894.79
  6. Step 6: Final answer
    x = 349,948,926.13

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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.