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Finding the Fourth Proportional to 556,568.22, 768,058.83 and 301,920.42

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Solution

The fourth proportional to 556,568.22, 768,058.83 and 301,920.42 is: 416,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,568.22 : 768,058.83 = 301,920.42 : x
  2. Step 2: Convert to fraction form
    556,568.22/768,058.83 = 301,920.42/x
  3. Step 3: Cross multiply
    556,568.22x = 768,058.83 × 301,920.42
  4. Step 4: Simplify right side
    556,568.22x = 231,892,644,538.31
  5. Step 5: Solve for x
    x = 231,892,644,538.31/556,568.22
  6. Step 6: Final answer
    x = 416,647.30

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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.