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Finding the Fourth Proportional to 395,351.89, 592,938.93 and 181,915.07

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Solution

The fourth proportional to 395,351.89, 592,938.93 and 181,915.07 is: 272,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,351.89 : 592,938.93 = 181,915.07 : x
  2. Step 2: Convert to fraction form
    395,351.89/592,938.93 = 181,915.07/x
  3. Step 3: Cross multiply
    395,351.89x = 592,938.93 × 181,915.07
  4. Step 4: Simplify right side
    395,351.89x = 107,864,524,674.16
  5. Step 5: Solve for x
    x = 107,864,524,674.16/395,351.89
  6. Step 6: Final answer
    x = 272,831.69

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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.