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Finding the Fourth Proportional to 324,595.61, 448,066.92 and 290,544.02

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Solution

The fourth proportional to 324,595.61, 448,066.92 and 290,544.02 is: 401,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,595.61 : 448,066.92 = 290,544.02 : x
  2. Step 2: Convert to fraction form
    324,595.61/448,066.92 = 290,544.02/x
  3. Step 3: Cross multiply
    324,595.61x = 448,066.92 × 290,544.02
  4. Step 4: Simplify right side
    324,595.61x = 130,183,164,165.82
  5. Step 5: Solve for x
    x = 130,183,164,165.82/324,595.61
  6. Step 6: Final answer
    x = 401,062.62

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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.