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Finding the Fourth Proportional to 295,488, 407,631.36 and 174,597.12

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Solution

The fourth proportional to 295,488, 407,631.36 and 174,597.12 is: 240,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,488 : 407,631.36 = 174,597.12 : x
  2. Step 2: Convert to fraction form
    295,488/407,631.36 = 174,597.12/x
  3. Step 3: Cross multiply
    295,488x = 407,631.36 × 174,597.12
  4. Step 4: Simplify right side
    295,488x = 71,171,261,477.68
  5. Step 5: Solve for x
    x = 71,171,261,477.68/295,488
  6. Step 6: Final answer
    x = 240,860.07

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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.