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Finding the Fourth Proportional to 355,396.19, 532,881.27 and 163,029.74

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Solution

The fourth proportional to 355,396.19, 532,881.27 and 163,029.74 is: 244,446.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,396.19 : 532,881.27 = 163,029.74 : x
  2. Step 2: Convert to fraction form
    355,396.19/532,881.27 = 163,029.74/x
  3. Step 3: Cross multiply
    355,396.19x = 532,881.27 × 163,029.74
  4. Step 4: Simplify right side
    355,396.19x = 86,875,492,234.56
  5. Step 5: Solve for x
    x = 86,875,492,234.56/355,396.19
  6. Step 6: Final answer
    x = 244,446.89

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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.