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Finding the Fourth Proportional to 452,523.49, 678,786.86 and 153,006.55

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Solution

The fourth proportional to 452,523.49, 678,786.86 and 153,006.55 is: 229,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,523.49 : 678,786.86 = 153,006.55 : x
  2. Step 2: Convert to fraction form
    452,523.49/678,786.86 = 153,006.55/x
  3. Step 3: Cross multiply
    452,523.49x = 678,786.86 × 153,006.55
  4. Step 4: Simplify right side
    452,523.49x = 103,858,834,868.90
  5. Step 5: Solve for x
    x = 103,858,834,868.90/452,523.49
  6. Step 6: Final answer
    x = 229,510.37

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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.