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Finding the Fourth Proportional to 436,907.53, 602,893.93 and 243,300.61

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Solution

The fourth proportional to 436,907.53, 602,893.93 and 243,300.61 is: 335,733.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,907.53 : 602,893.93 = 243,300.61 : x
  2. Step 2: Convert to fraction form
    436,907.53/602,893.93 = 243,300.61/x
  3. Step 3: Cross multiply
    436,907.53x = 602,893.93 × 243,300.61
  4. Step 4: Simplify right side
    436,907.53x = 146,684,460,934.30
  5. Step 5: Solve for x
    x = 146,684,460,934.30/436,907.53
  6. Step 6: Final answer
    x = 335,733.42

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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.