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Finding the Fourth Proportional to 551,290.56, 760,383.36 and 506,112

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Solution

The fourth proportional to 551,290.56, 760,383.36 and 506,112 is: 698,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,290.56 : 760,383.36 = 506,112 : x
  2. Step 2: Convert to fraction form
    551,290.56/760,383.36 = 506,112/x
  3. Step 3: Cross multiply
    551,290.56x = 760,383.36 × 506,112
  4. Step 4: Simplify right side
    551,290.56x = 384,839,143,096.32
  5. Step 5: Solve for x
    x = 384,839,143,096.32/551,290.56
  6. Step 6: Final answer
    x = 698,069.53

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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.