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Finding the Fourth Proportional to 632,714.32, 873,145.68 and 346,234.44

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Solution

The fourth proportional to 632,714.32, 873,145.68 and 346,234.44 is: 477,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,714.32 : 873,145.68 = 346,234.44 : x
  2. Step 2: Convert to fraction form
    632,714.32/873,145.68 = 346,234.44/x
  3. Step 3: Cross multiply
    632,714.32x = 873,145.68 × 346,234.44
  4. Step 4: Simplify right side
    632,714.32x = 302,313,105,553.22
  5. Step 5: Solve for x
    x = 302,313,105,553.22/632,714.32
  6. Step 6: Final answer
    x = 477,803.48

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Double scale
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1.5x scale

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.