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Finding the Fourth Proportional to 587,076.84, 810,152.33 and 345,374.98

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Solution

The fourth proportional to 587,076.84, 810,152.33 and 345,374.98 is: 476,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,076.84 : 810,152.33 = 345,374.98 : x
  2. Step 2: Convert to fraction form
    587,076.84/810,152.33 = 345,374.98/x
  3. Step 3: Cross multiply
    587,076.84x = 810,152.33 × 345,374.98
  4. Step 4: Simplify right side
    587,076.84x = 279,806,343,608.76
  5. Step 5: Solve for x
    x = 279,806,343,608.76/587,076.84
  6. Step 6: Final answer
    x = 476,609.41

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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.