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Finding the Fourth Proportional to 674,496.84, 931,239.66 and 432,883.56

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Solution

The fourth proportional to 674,496.84, 931,239.66 and 432,883.56 is: 597,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,496.84 : 931,239.66 = 432,883.56 : x
  2. Step 2: Convert to fraction form
    674,496.84/931,239.66 = 432,883.56/x
  3. Step 3: Cross multiply
    674,496.84x = 931,239.66 × 432,883.56
  4. Step 4: Simplify right side
    674,496.84x = 403,118,339,233.99
  5. Step 5: Solve for x
    x = 403,118,339,233.99/674,496.84
  6. Step 6: Final answer
    x = 597,657.86

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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.