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Finding the Fourth Proportional to 441,714.80, 663,263.40 and 255,090.80

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Solution

The fourth proportional to 441,714.80, 663,263.40 and 255,090.80 is: 383,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,714.80 : 663,263.40 = 255,090.80 : x
  2. Step 2: Convert to fraction form
    441,714.80/663,263.40 = 255,090.80/x
  3. Step 3: Cross multiply
    441,714.80x = 663,263.40 × 255,090.80
  4. Step 4: Simplify right side
    441,714.80x = 169,192,391,316.72
  5. Step 5: Solve for x
    x = 169,192,391,316.72/441,714.80
  6. Step 6: Final answer
    x = 383,035.37

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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.