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Finding the Fourth Proportional to 436,710.38, 602,672.10 and 245,730.56

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Solution

The fourth proportional to 436,710.38, 602,672.10 and 245,730.56 is: 339,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,710.38 : 602,672.10 = 245,730.56 : x
  2. Step 2: Convert to fraction form
    436,710.38/602,672.10 = 245,730.56/x
  3. Step 3: Cross multiply
    436,710.38x = 602,672.10 × 245,730.56
  4. Step 4: Simplify right side
    436,710.38x = 148,094,952,629.38
  5. Step 5: Solve for x
    x = 148,094,952,629.38/436,710.38
  6. Step 6: Final answer
    x = 339,114.80

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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.