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Finding the Fourth Proportional to 477,565.76, 659,050.96 and 262,705.84

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Solution

The fourth proportional to 477,565.76, 659,050.96 and 262,705.84 is: 362,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,565.76 : 659,050.96 = 262,705.84 : x
  2. Step 2: Convert to fraction form
    477,565.76/659,050.96 = 262,705.84/x
  3. Step 3: Cross multiply
    477,565.76x = 659,050.96 × 262,705.84
  4. Step 4: Simplify right side
    477,565.76x = 173,136,536,049.61
  5. Step 5: Solve for x
    x = 173,136,536,049.61/477,565.76
  6. Step 6: Final answer
    x = 362,539.68

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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.