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Finding the Fourth Proportional to 295,875.36, 408,307.44 and 161,739.36

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Solution

The fourth proportional to 295,875.36, 408,307.44 and 161,739.36 is: 223,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,875.36 : 408,307.44 = 161,739.36 : x
  2. Step 2: Convert to fraction form
    295,875.36/408,307.44 = 161,739.36/x
  3. Step 3: Cross multiply
    295,875.36x = 408,307.44 × 161,739.36
  4. Step 4: Simplify right side
    295,875.36x = 66,039,384,028.84
  5. Step 5: Solve for x
    x = 66,039,384,028.84/295,875.36
  6. Step 6: Final answer
    x = 223,200.01

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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.