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Finding the Fourth Proportional to 651,710.56, 977,718.48 and 202,408.48

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Solution

The fourth proportional to 651,710.56, 977,718.48 and 202,408.48 is: 303,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,710.56 : 977,718.48 = 202,408.48 : x
  2. Step 2: Convert to fraction form
    651,710.56/977,718.48 = 202,408.48/x
  3. Step 3: Cross multiply
    651,710.56x = 977,718.48 × 202,408.48
  4. Step 4: Simplify right side
    651,710.56x = 197,898,511,404.71
  5. Step 5: Solve for x
    x = 197,898,511,404.71/651,710.56
  6. Step 6: Final answer
    x = 303,660.13

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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.