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Finding the Fourth Proportional to 610,877.49, 843,039.33 and 381,570.54

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Solution

The fourth proportional to 610,877.49, 843,039.33 and 381,570.54 is: 526,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,877.49 : 843,039.33 = 381,570.54 : x
  2. Step 2: Convert to fraction form
    610,877.49/843,039.33 = 381,570.54/x
  3. Step 3: Cross multiply
    610,877.49x = 843,039.33 × 381,570.54
  4. Step 4: Simplify right side
    610,877.49x = 321,678,972,389.34
  5. Step 5: Solve for x
    x = 321,678,972,389.34/610,877.49
  6. Step 6: Final answer
    x = 526,585.08

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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.