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Finding the Fourth Proportional to 623,956.01, 860,985.23 and 352,008.02

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Solution

The fourth proportional to 623,956.01, 860,985.23 and 352,008.02 is: 485,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,956.01 : 860,985.23 = 352,008.02 : x
  2. Step 2: Convert to fraction form
    623,956.01/860,985.23 = 352,008.02/x
  3. Step 3: Cross multiply
    623,956.01x = 860,985.23 × 352,008.02
  4. Step 4: Simplify right side
    623,956.01x = 303,073,707,333.99
  5. Step 5: Solve for x
    x = 303,073,707,333.99/623,956.01
  6. Step 6: Final answer
    x = 485,729.29

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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.