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Finding the Fourth Proportional to 636,100.00, 877,824.79 and 345,711.58

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Solution

The fourth proportional to 636,100.00, 877,824.79 and 345,711.58 is: 477,085.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,100.00 : 877,824.79 = 345,711.58 : x
  2. Step 2: Convert to fraction form
    636,100.00/877,824.79 = 345,711.58/x
  3. Step 3: Cross multiply
    636,100.00x = 877,824.79 × 345,711.58
  4. Step 4: Simplify right side
    636,100.00x = 303,474,193,999.86
  5. Step 5: Solve for x
    x = 303,474,193,999.86/636,100.00
  6. Step 6: Final answer
    x = 477,085.67

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1.5x scale

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.