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Finding the Fourth Proportional to 353,695.59, 488,106.15 and 192,555.27

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Solution

The fourth proportional to 353,695.59, 488,106.15 and 192,555.27 is: 265,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,695.59 : 488,106.15 = 192,555.27 : x
  2. Step 2: Convert to fraction form
    353,695.59/488,106.15 = 192,555.27/x
  3. Step 3: Cross multiply
    353,695.59x = 488,106.15 × 192,555.27
  4. Step 4: Simplify right side
    353,695.59x = 93,987,411,501.91
  5. Step 5: Solve for x
    x = 93,987,411,501.91/353,695.59
  6. Step 6: Final answer
    x = 265,729.67

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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.