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Finding the Fourth Proportional to 357,085.56, 492,800.31 and 195,940.92

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Solution

The fourth proportional to 357,085.56, 492,800.31 and 195,940.92 is: 270,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,085.56 : 492,800.31 = 195,940.92 : x
  2. Step 2: Convert to fraction form
    357,085.56/492,800.31 = 195,940.92/x
  3. Step 3: Cross multiply
    357,085.56x = 492,800.31 × 195,940.92
  4. Step 4: Simplify right side
    357,085.56x = 96,559,746,117.69
  5. Step 5: Solve for x
    x = 96,559,746,117.69/357,085.56
  6. Step 6: Final answer
    x = 270,410.67

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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.