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Finding the Fourth Proportional to 357,763.32, 493,711.74 and 204,800.67

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Solution

The fourth proportional to 357,763.32, 493,711.74 and 204,800.67 is: 282,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,763.32 : 493,711.74 = 204,800.67 : x
  2. Step 2: Convert to fraction form
    357,763.32/493,711.74 = 204,800.67/x
  3. Step 3: Cross multiply
    357,763.32x = 493,711.74 × 204,800.67
  4. Step 4: Simplify right side
    357,763.32x = 101,112,495,138.87
  5. Step 5: Solve for x
    x = 101,112,495,138.87/357,763.32
  6. Step 6: Final answer
    x = 282,623.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.