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Finding the Fourth Proportional to 560,812.06, 773,893.65 and 319,072.06

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Solution

The fourth proportional to 560,812.06, 773,893.65 and 319,072.06 is: 440,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,812.06 : 773,893.65 = 319,072.06 : x
  2. Step 2: Convert to fraction form
    560,812.06/773,893.65 = 319,072.06/x
  3. Step 3: Cross multiply
    560,812.06x = 773,893.65 × 319,072.06
  4. Step 4: Simplify right side
    560,812.06x = 246,927,841,126.42
  5. Step 5: Solve for x
    x = 246,927,841,126.42/560,812.06
  6. Step 6: Final answer
    x = 440,304.09

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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.