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Finding the Fourth Proportional to 255,424.44, 383,153.94 and 97,669.56

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Solution

The fourth proportional to 255,424.44, 383,153.94 and 97,669.56 is: 146,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,424.44 : 383,153.94 = 97,669.56 : x
  2. Step 2: Convert to fraction form
    255,424.44/383,153.94 = 97,669.56/x
  3. Step 3: Cross multiply
    255,424.44x = 383,153.94 × 97,669.56
  4. Step 4: Simplify right side
    255,424.44x = 37,422,476,732.07
  5. Step 5: Solve for x
    x = 37,422,476,732.07/255,424.44
  6. Step 6: Final answer
    x = 146,510.95

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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.