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Finding the Fourth Proportional to 477,900.33, 659,502.63 and 263,038.86

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Solution

The fourth proportional to 477,900.33, 659,502.63 and 263,038.86 is: 362,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,900.33 : 659,502.63 = 263,038.86 : x
  2. Step 2: Convert to fraction form
    477,900.33/659,502.63 = 263,038.86/x
  3. Step 3: Cross multiply
    477,900.33x = 659,502.63 × 263,038.86
  4. Step 4: Simplify right side
    477,900.33x = 173,474,819,962.20
  5. Step 5: Solve for x
    x = 173,474,819,962.20/477,900.33
  6. Step 6: Final answer
    x = 362,993.72

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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.