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Finding the Fourth Proportional to 524,889, 724,464.96 and 343,495.83

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Solution

The fourth proportional to 524,889, 724,464.96 and 343,495.83 is: 474,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,889 : 724,464.96 = 343,495.83 : x
  2. Step 2: Convert to fraction form
    524,889/724,464.96 = 343,495.83/x
  3. Step 3: Cross multiply
    524,889x = 724,464.96 × 343,495.83
  4. Step 4: Simplify right side
    524,889x = 248,850,692,741.12
  5. Step 5: Solve for x
    x = 248,850,692,741.12/524,889
  6. Step 6: Final answer
    x = 474,101.56

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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.