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Finding the Fourth Proportional to 477,767.40, 659,305 and 262,907.32

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Solution

The fourth proportional to 477,767.40, 659,305 and 262,907.32 is: 362,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,767.40 : 659,305 = 262,907.32 : x
  2. Step 2: Convert to fraction form
    477,767.40/659,305 = 262,907.32/x
  3. Step 3: Cross multiply
    477,767.40x = 659,305 × 262,907.32
  4. Step 4: Simplify right side
    477,767.40x = 173,336,110,612.60
  5. Step 5: Solve for x
    x = 173,336,110,612.60/477,767.40
  6. Step 6: Final answer
    x = 362,804.39

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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.