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Finding the Fourth Proportional to 555,733.82, 833,668.90 and 156,374.98

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Solution

The fourth proportional to 555,733.82, 833,668.90 and 156,374.98 is: 234,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,733.82 : 833,668.90 = 156,374.98 : x
  2. Step 2: Convert to fraction form
    555,733.82/833,668.90 = 156,374.98/x
  3. Step 3: Cross multiply
    555,733.82x = 833,668.90 × 156,374.98
  4. Step 4: Simplify right side
    555,733.82x = 130,364,955,675.42
  5. Step 5: Solve for x
    x = 130,364,955,675.42/555,733.82
  6. Step 6: Final answer
    x = 234,581.65

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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.