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Finding the Fourth Proportional to 529,576.39, 730,812.45 and 300,177.04

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Solution

The fourth proportional to 529,576.39, 730,812.45 and 300,177.04 is: 414,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,576.39 : 730,812.45 = 300,177.04 : x
  2. Step 2: Convert to fraction form
    529,576.39/730,812.45 = 300,177.04/x
  3. Step 3: Cross multiply
    529,576.39x = 730,812.45 × 300,177.04
  4. Step 4: Simplify right side
    529,576.39x = 219,373,118,036.15
  5. Step 5: Solve for x
    x = 219,373,118,036.15/529,576.39
  6. Step 6: Final answer
    x = 414,242.63

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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.