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Finding the Fourth Proportional to 307,441.89, 458,106.46 and 273,904.25

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Solution

The fourth proportional to 307,441.89, 458,106.46 and 273,904.25 is: 408,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,441.89 : 458,106.46 = 273,904.25 : x
  2. Step 2: Convert to fraction form
    307,441.89/458,106.46 = 273,904.25/x
  3. Step 3: Cross multiply
    307,441.89x = 458,106.46 × 273,904.25
  4. Step 4: Simplify right side
    307,441.89x = 125,477,303,371.16
  5. Step 5: Solve for x
    x = 125,477,303,371.16/307,441.89
  6. Step 6: Final answer
    x = 408,133.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.