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Finding the Fourth Proportional to 353,096.61, 487,267.54 and 191,955.66

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Solution

The fourth proportional to 353,096.61, 487,267.54 and 191,955.66 is: 264,895.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,096.61 : 487,267.54 = 191,955.66 : x
  2. Step 2: Convert to fraction form
    353,096.61/487,267.54 = 191,955.66/x
  3. Step 3: Cross multiply
    353,096.61x = 487,267.54 × 191,955.66
  4. Step 4: Simplify right side
    353,096.61x = 93,533,762,237.28
  5. Step 5: Solve for x
    x = 93,533,762,237.28/353,096.61
  6. Step 6: Final answer
    x = 264,895.67

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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.