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Finding the Fourth Proportional to 324,594.61, 448,065.54 and 290,543.02

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Solution

The fourth proportional to 324,594.61, 448,065.54 and 290,543.02 is: 401,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,594.61 : 448,065.54 = 290,543.02 : x
  2. Step 2: Convert to fraction form
    324,594.61/448,065.54 = 290,543.02/x
  3. Step 3: Cross multiply
    324,594.61x = 448,065.54 × 290,543.02
  4. Step 4: Simplify right side
    324,594.61x = 130,182,314,029.37
  5. Step 5: Solve for x
    x = 130,182,314,029.37/324,594.61
  6. Step 6: Final answer
    x = 401,061.23

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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.