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Finding the Fourth Proportional to 535,615.80, 803,632.80 and 235,885.74

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Solution

The fourth proportional to 535,615.80, 803,632.80 and 235,885.74 is: 353,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,615.80 : 803,632.80 = 235,885.74 : x
  2. Step 2: Convert to fraction form
    535,615.80/803,632.80 = 235,885.74/x
  3. Step 3: Cross multiply
    535,615.80x = 803,632.80 × 235,885.74
  4. Step 4: Simplify right side
    535,615.80x = 189,565,517,716.27
  5. Step 5: Solve for x
    x = 189,565,517,716.27/535,615.80
  6. Step 6: Final answer
    x = 353,920.70

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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.