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Finding the Fourth Proportional to 459,696,294.46, 634,375,660.44 and 250,855,990.30

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Solution

The fourth proportional to 459,696,294.46, 634,375,660.44 and 250,855,990.30 is: 346,178,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,696,294.46 : 634,375,660.44 = 250,855,990.30 : x
  2. Step 2: Convert to fraction form
    459,696,294.46/634,375,660.44 = 250,855,990.30/x
  3. Step 3: Cross multiply
    459,696,294.46x = 634,375,660.44 × 250,855,990.30
  4. Step 4: Simplify right side
    459,696,294.46x = 159,136,934,521,892,768
  5. Step 5: Solve for x
    x = 159,136,934,521,892,768/459,696,294.46
  6. Step 6: Final answer
    x = 346,178,414.84

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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.