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Finding the Fourth Proportional to 570,467.86, 855,690.27 and 196,482.58

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Solution

The fourth proportional to 570,467.86, 855,690.27 and 196,482.58 is: 294,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,467.86 : 855,690.27 = 196,482.58 : x
  2. Step 2: Convert to fraction form
    570,467.86/855,690.27 = 196,482.58/x
  3. Step 3: Cross multiply
    570,467.86x = 855,690.27 × 196,482.58
  4. Step 4: Simplify right side
    570,467.86x = 168,128,231,930.50
  5. Step 5: Solve for x
    x = 168,128,231,930.50/570,467.86
  6. Step 6: Final answer
    x = 294,719.90

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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.