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Finding the Fourth Proportional to 610,077.78, 841,957.71 and 338,230.94

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Solution

The fourth proportional to 610,077.78, 841,957.71 and 338,230.94 is: 466,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,077.78 : 841,957.71 = 338,230.94 : x
  2. Step 2: Convert to fraction form
    610,077.78/841,957.71 = 338,230.94/x
  3. Step 3: Cross multiply
    610,077.78x = 841,957.71 × 338,230.94
  4. Step 4: Simplify right side
    610,077.78x = 284,776,147,693.55
  5. Step 5: Solve for x
    x = 284,776,147,693.55/610,077.78
  6. Step 6: Final answer
    x = 466,786.62

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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.