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Finding the Fourth Proportional to 583,059.30, 803,992.47 and 365,190.36

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Solution

The fourth proportional to 583,059.30, 803,992.47 and 365,190.36 is: 503,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,059.30 : 803,992.47 = 365,190.36 : x
  2. Step 2: Convert to fraction form
    583,059.30/803,992.47 = 365,190.36/x
  3. Step 3: Cross multiply
    583,059.30x = 803,992.47 × 365,190.36
  4. Step 4: Simplify right side
    583,059.30x = 293,610,295,172.15
  5. Step 5: Solve for x
    x = 293,610,295,172.15/583,059.30
  6. Step 6: Final answer
    x = 503,568.50

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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.