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Finding the Fourth Proportional to 560,242.81, 773,112.71 and 330,874.01

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Solution

The fourth proportional to 560,242.81, 773,112.71 and 330,874.01 is: 456,592.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,242.81 : 773,112.71 = 330,874.01 : x
  2. Step 2: Convert to fraction form
    560,242.81/773,112.71 = 330,874.01/x
  3. Step 3: Cross multiply
    560,242.81x = 773,112.71 × 330,874.01
  4. Step 4: Simplify right side
    560,242.81x = 255,802,902,539.67
  5. Step 5: Solve for x
    x = 255,802,902,539.67/560,242.81
  6. Step 6: Final answer
    x = 456,592.92

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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.