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Finding the Fourth Proportional to 476,929.63, 715,416.32 and 337,311.55

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Solution

The fourth proportional to 476,929.63, 715,416.32 and 337,311.55 is: 505,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,929.63 : 715,416.32 = 337,311.55 : x
  2. Step 2: Convert to fraction form
    476,929.63/715,416.32 = 337,311.55/x
  3. Step 3: Cross multiply
    476,929.63x = 715,416.32 × 337,311.55
  4. Step 4: Simplify right side
    476,929.63x = 241,318,187,794.50
  5. Step 5: Solve for x
    x = 241,318,187,794.50/476,929.63
  6. Step 6: Final answer
    x = 505,982.80

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1.5x scale

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.