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Finding the Fourth Proportional to 580,345.24, 799,559.01 and 449,071.51

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Solution

The fourth proportional to 580,345.24, 799,559.01 and 449,071.51 is: 618,699.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,345.24 : 799,559.01 = 449,071.51 : x
  2. Step 2: Convert to fraction form
    580,345.24/799,559.01 = 449,071.51/x
  3. Step 3: Cross multiply
    580,345.24x = 799,559.01 × 449,071.51
  4. Step 4: Simplify right side
    580,345.24x = 359,059,171,954.81
  5. Step 5: Solve for x
    x = 359,059,171,954.81/580,345.24
  6. Step 6: Final answer
    x = 618,699.26

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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.