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Finding the Fourth Proportional to 525,474.43, 725,156.93 and 296,034.47

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Solution

The fourth proportional to 525,474.43, 725,156.93 and 296,034.47 is: 408,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,474.43 : 725,156.93 = 296,034.47 : x
  2. Step 2: Convert to fraction form
    525,474.43/725,156.93 = 296,034.47/x
  3. Step 3: Cross multiply
    525,474.43x = 725,156.93 × 296,034.47
  4. Step 4: Simplify right side
    525,474.43x = 214,671,442,333.42
  5. Step 5: Solve for x
    x = 214,671,442,333.42/525,474.43
  6. Step 6: Final answer
    x = 408,528.81

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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.