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Finding the Fourth Proportional to 585,393.44, 807,977.92 and 381,088.51

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Solution

The fourth proportional to 585,393.44, 807,977.92 and 381,088.51 is: 525,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,393.44 : 807,977.92 = 381,088.51 : x
  2. Step 2: Convert to fraction form
    585,393.44/807,977.92 = 381,088.51/x
  3. Step 3: Cross multiply
    585,393.44x = 807,977.92 × 381,088.51
  4. Step 4: Simplify right side
    585,393.44x = 307,911,102,131.51
  5. Step 5: Solve for x
    x = 307,911,102,131.51/585,393.44
  6. Step 6: Final answer
    x = 525,990.02

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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.