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Finding the Fourth Proportional to 295,319.84, 407,399.54 and 193,300.34

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Solution

The fourth proportional to 295,319.84, 407,399.54 and 193,300.34 is: 266,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,319.84 : 407,399.54 = 193,300.34 : x
  2. Step 2: Convert to fraction form
    295,319.84/407,399.54 = 193,300.34/x
  3. Step 3: Cross multiply
    295,319.84x = 407,399.54 × 193,300.34
  4. Step 4: Simplify right side
    295,319.84x = 78,750,469,597.84
  5. Step 5: Solve for x
    x = 78,750,469,597.84/295,319.84
  6. Step 6: Final answer
    x = 266,661.63

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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.