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Finding the Fourth Proportional to 477,576, 659,011.68 and 262,725.12

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Solution

The fourth proportional to 477,576, 659,011.68 and 262,725.12 is: 362,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,576 : 659,011.68 = 262,725.12 : x
  2. Step 2: Convert to fraction form
    477,576/659,011.68 = 262,725.12/x
  3. Step 3: Cross multiply
    477,576x = 659,011.68 × 262,725.12
  4. Step 4: Simplify right side
    477,576x = 173,138,922,709.40
  5. Step 5: Solve for x
    x = 173,138,922,709.40/477,576
  6. Step 6: Final answer
    x = 362,536.90

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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.