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Finding the Fourth Proportional to 475,364.98, 656,008.84 and 260,500.43

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Solution

The fourth proportional to 475,364.98, 656,008.84 and 260,500.43 is: 359,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,364.98 : 656,008.84 = 260,500.43 : x
  2. Step 2: Convert to fraction form
    475,364.98/656,008.84 = 260,500.43/x
  3. Step 3: Cross multiply
    475,364.98x = 656,008.84 × 260,500.43
  4. Step 4: Simplify right side
    475,364.98x = 170,890,583,925.44
  5. Step 5: Solve for x
    x = 170,890,583,925.44/475,364.98
  6. Step 6: Final answer
    x = 359,493.42

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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.