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Finding the Fourth Proportional to 477,800.40, 659,364.65 and 262,940.46

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Solution

The fourth proportional to 477,800.40, 659,364.65 and 262,940.46 is: 362,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,800.40 : 659,364.65 = 262,940.46 : x
  2. Step 2: Convert to fraction form
    477,800.40/659,364.65 = 262,940.46/x
  3. Step 3: Cross multiply
    477,800.40x = 659,364.65 × 262,940.46
  4. Step 4: Simplify right side
    477,800.40x = 173,373,645,286.37
  5. Step 5: Solve for x
    x = 173,373,645,286.37/477,800.40
  6. Step 6: Final answer
    x = 362,857.89

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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.