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Finding the Fourth Proportional to 270,896,394.78, 373,830,666.56 and 159,394,457.56

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Solution

The fourth proportional to 270,896,394.78, 373,830,666.56 and 159,394,457.56 is: 219,960,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,896,394.78 : 373,830,666.56 = 159,394,457.56 : x
  2. Step 2: Convert to fraction form
    270,896,394.78/373,830,666.56 = 159,394,457.56/x
  3. Step 3: Cross multiply
    270,896,394.78x = 373,830,666.56 × 159,394,457.56
  4. Step 4: Simplify right side
    270,896,394.78x = 59,586,536,316,085,472
  5. Step 5: Solve for x
    x = 59,586,536,316,085,472/270,896,394.78
  6. Step 6: Final answer
    x = 219,960,610.27

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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.