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Finding the Fourth Proportional to 610,578.92, 841,625.66 and 481,306.72

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Solution

The fourth proportional to 610,578.92, 841,625.66 and 481,306.72 is: 663,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,578.92 : 841,625.66 = 481,306.72 : x
  2. Step 2: Convert to fraction form
    610,578.92/841,625.66 = 481,306.72/x
  3. Step 3: Cross multiply
    610,578.92x = 841,625.66 × 481,306.72
  4. Step 4: Simplify right side
    610,578.92x = 405,080,081,674.31
  5. Step 5: Solve for x
    x = 405,080,081,674.31/610,578.92
  6. Step 6: Final answer
    x = 663,436.08

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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.