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Finding the Fourth Proportional to 535,615.67, 803,632.64 and 235,885.61

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Solution

The fourth proportional to 535,615.67, 803,632.64 and 235,885.61 is: 353,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,615.67 : 803,632.64 = 235,885.61 : x
  2. Step 2: Convert to fraction form
    535,615.67/803,632.64 = 235,885.61/x
  3. Step 3: Cross multiply
    535,615.67x = 803,632.64 × 235,885.61
  4. Step 4: Simplify right side
    535,615.67x = 189,565,370,304.72
  5. Step 5: Solve for x
    x = 189,565,370,304.72/535,615.67
  6. Step 6: Final answer
    x = 353,920.51

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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.