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Finding the Fourth Proportional to 432,697.76, 597,001.28 and 248,926.71

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Solution

The fourth proportional to 432,697.76, 597,001.28 and 248,926.71 is: 343,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,697.76 : 597,001.28 = 248,926.71 : x
  2. Step 2: Convert to fraction form
    432,697.76/597,001.28 = 248,926.71/x
  3. Step 3: Cross multiply
    432,697.76x = 597,001.28 × 248,926.71
  4. Step 4: Simplify right side
    432,697.76x = 148,609,563,251.56
  5. Step 5: Solve for x
    x = 148,609,563,251.56/432,697.76
  6. Step 6: Final answer
    x = 343,448.89

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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.