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Finding the Fourth Proportional to 341,339.20, 512,008.80 and 335,809.60

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Solution

The fourth proportional to 341,339.20, 512,008.80 and 335,809.60 is: 503,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,339.20 : 512,008.80 = 335,809.60 : x
  2. Step 2: Convert to fraction form
    341,339.20/512,008.80 = 335,809.60/x
  3. Step 3: Cross multiply
    341,339.20x = 512,008.80 × 335,809.60
  4. Step 4: Simplify right side
    341,339.20x = 171,937,470,324.48
  5. Step 5: Solve for x
    x = 171,937,470,324.48/341,339.20
  6. Step 6: Final answer
    x = 503,714.40

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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.