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Finding the Fourth Proportional to 592,394.72, 817,501.01 and 320,461.52

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Solution

The fourth proportional to 592,394.72, 817,501.01 and 320,461.52 is: 442,234.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,394.72 : 817,501.01 = 320,461.52 : x
  2. Step 2: Convert to fraction form
    592,394.72/817,501.01 = 320,461.52/x
  3. Step 3: Cross multiply
    592,394.72x = 817,501.01 × 320,461.52
  4. Step 4: Simplify right side
    592,394.72x = 261,977,610,576.32
  5. Step 5: Solve for x
    x = 261,977,610,576.32/592,394.72
  6. Step 6: Final answer
    x = 442,234.89

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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.