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Finding the Fourth Proportional to 651,675.76, 976,900.72 and 351,706.84

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Solution

The fourth proportional to 651,675.76, 976,900.72 and 351,706.84 is: 527,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,675.76 : 976,900.72 = 351,706.84 : x
  2. Step 2: Convert to fraction form
    651,675.76/976,900.72 = 351,706.84/x
  3. Step 3: Cross multiply
    651,675.76x = 976,900.72 × 351,706.84
  4. Step 4: Simplify right side
    651,675.76x = 343,582,665,224.93
  5. Step 5: Solve for x
    x = 343,582,665,224.93/651,675.76
  6. Step 6: Final answer
    x = 527,229.47

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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.