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Finding the Fourth Proportional to 335,289, 462,670.74 and 197,445.99

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Solution

The fourth proportional to 335,289, 462,670.74 and 197,445.99 is: 272,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,289 : 462,670.74 = 197,445.99 : x
  2. Step 2: Convert to fraction form
    335,289/462,670.74 = 197,445.99/x
  3. Step 3: Cross multiply
    335,289x = 462,670.74 × 197,445.99
  4. Step 4: Simplify right side
    335,289x = 91,352,482,303.33
  5. Step 5: Solve for x
    x = 91,352,482,303.33/335,289
  6. Step 6: Final answer
    x = 272,458.93

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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.