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Finding the Fourth Proportional to 677,841.03, 935,500.46 and 376,054.47

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Solution

The fourth proportional to 677,841.03, 935,500.46 and 376,054.47 is: 518,999.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,841.03 : 935,500.46 = 376,054.47 : x
  2. Step 2: Convert to fraction form
    677,841.03/935,500.46 = 376,054.47/x
  3. Step 3: Cross multiply
    677,841.03x = 935,500.46 × 376,054.47
  4. Step 4: Simplify right side
    677,841.03x = 351,799,127,789.78
  5. Step 5: Solve for x
    x = 351,799,127,789.78/677,841.03
  6. Step 6: Final answer
    x = 518,999.46

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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.