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Finding the Fourth Proportional to 535,309.85, 803,174.94 and 235,580.18

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Solution

The fourth proportional to 535,309.85, 803,174.94 and 235,580.18 is: 353,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,309.85 : 803,174.94 = 235,580.18 : x
  2. Step 2: Convert to fraction form
    535,309.85/803,174.94 = 235,580.18/x
  3. Step 3: Cross multiply
    535,309.85x = 803,174.94 × 235,580.18
  4. Step 4: Simplify right side
    535,309.85x = 189,212,092,920.81
  5. Step 5: Solve for x
    x = 189,212,092,920.81/535,309.85
  6. Step 6: Final answer
    x = 353,462.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.