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Finding the Fourth Proportional to 584,855.76, 807,103.50 and 316,583.76

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Solution

The fourth proportional to 584,855.76, 807,103.50 and 316,583.76 is: 436,886.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,855.76 : 807,103.50 = 316,583.76 : x
  2. Step 2: Convert to fraction form
    584,855.76/807,103.50 = 316,583.76/x
  3. Step 3: Cross multiply
    584,855.76x = 807,103.50 × 316,583.76
  4. Step 4: Simplify right side
    584,855.76x = 255,515,860,739.16
  5. Step 5: Solve for x
    x = 255,515,860,739.16/584,855.76
  6. Step 6: Final answer
    x = 436,886.97

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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.