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Finding the Fourth Proportional to 315,689.53, 473,531.04 and 182,485.03

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Solution

The fourth proportional to 315,689.53, 473,531.04 and 182,485.03 is: 273,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,689.53 : 473,531.04 = 182,485.03 : x
  2. Step 2: Convert to fraction form
    315,689.53/473,531.04 = 182,485.03/x
  3. Step 3: Cross multiply
    315,689.53x = 473,531.04 × 182,485.03
  4. Step 4: Simplify right side
    315,689.53x = 86,412,326,040.33
  5. Step 5: Solve for x
    x = 86,412,326,040.33/315,689.53
  6. Step 6: Final answer
    x = 273,725.66

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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.