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Finding the Fourth Proportional to 570,444,324.06, 787,861,505.43 and 384,484,797.66

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Solution

The fourth proportional to 570,444,324.06, 787,861,505.43 and 384,484,797.66 is: 531,026,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,444,324.06 : 787,861,505.43 = 384,484,797.66 : x
  2. Step 2: Convert to fraction form
    570,444,324.06/787,861,505.43 = 384,484,797.66/x
  3. Step 3: Cross multiply
    570,444,324.06x = 787,861,505.43 × 384,484,797.66
  4. Step 4: Simplify right side
    570,444,324.06x = 302,920,771,499,356,544
  5. Step 5: Solve for x
    x = 302,920,771,499,356,544/570,444,324.06
  6. Step 6: Final answer
    x = 531,026,006.79

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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.