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Finding the Fourth Proportional to 651,655.24, 978,010.98 and 336,202.36

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Solution

The fourth proportional to 651,655.24, 978,010.98 and 336,202.36 is: 504,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,655.24 : 978,010.98 = 336,202.36 : x
  2. Step 2: Convert to fraction form
    651,655.24/978,010.98 = 336,202.36/x
  3. Step 3: Cross multiply
    651,655.24x = 978,010.98 × 336,202.36
  4. Step 4: Simplify right side
    651,655.24x = 328,809,599,581.91
  5. Step 5: Solve for x
    x = 328,809,599,581.91/651,655.24
  6. Step 6: Final answer
    x = 504,576.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.