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Finding the Fourth Proportional to 476,586.54, 715,043.80 and 298,885.50

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Solution

The fourth proportional to 476,586.54, 715,043.80 and 298,885.50 is: 448,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,586.54 : 715,043.80 = 298,885.50 : x
  2. Step 2: Convert to fraction form
    476,586.54/715,043.80 = 298,885.50/x
  3. Step 3: Cross multiply
    476,586.54x = 715,043.80 × 298,885.50
  4. Step 4: Simplify right side
    476,586.54x = 213,716,223,684.90
  5. Step 5: Solve for x
    x = 213,716,223,684.90/476,586.54
  6. Step 6: Final answer
    x = 448,431.09

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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.