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Finding the Fourth Proportional to 251,018.30, 376,527.45 and 216,026.30

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Solution

The fourth proportional to 251,018.30, 376,527.45 and 216,026.30 is: 324,039.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,018.30 : 376,527.45 = 216,026.30 : x
  2. Step 2: Convert to fraction form
    251,018.30/376,527.45 = 216,026.30/x
  3. Step 3: Cross multiply
    251,018.30x = 376,527.45 × 216,026.30
  4. Step 4: Simplify right side
    251,018.30x = 81,339,831,871.94
  5. Step 5: Solve for x
    x = 81,339,831,871.94/251,018.30
  6. Step 6: Final answer
    x = 324,039.45

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1.5x scale

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.