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Finding the Fourth Proportional to 610,875.49, 843,036.57 and 381,568.54

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Solution

The fourth proportional to 610,875.49, 843,036.57 and 381,568.54 is: 526,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,875.49 : 843,036.57 = 381,568.54 : x
  2. Step 2: Convert to fraction form
    610,875.49/843,036.57 = 381,568.54/x
  3. Step 3: Cross multiply
    610,875.49x = 843,036.57 × 381,568.54
  4. Step 4: Simplify right side
    610,875.49x = 321,676,227,058.48
  5. Step 5: Solve for x
    x = 321,676,227,058.48/610,875.49
  6. Step 6: Final answer
    x = 526,582.31

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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.