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Finding the Fourth Proportional to 297,925.60, 446,596.80 and 266,432.80

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Solution

The fourth proportional to 297,925.60, 446,596.80 and 266,432.80 is: 399,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,925.60 : 446,596.80 = 266,432.80 : x
  2. Step 2: Convert to fraction form
    297,925.60/446,596.80 = 266,432.80/x
  3. Step 3: Cross multiply
    297,925.60x = 446,596.80 × 266,432.80
  4. Step 4: Simplify right side
    297,925.60x = 118,988,035,895.04
  5. Step 5: Solve for x
    x = 118,988,035,895.04/297,925.60
  6. Step 6: Final answer
    x = 399,388.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.