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Finding the Fourth Proportional to 444,147.94, 612,939.90 and 253,130.50

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Solution

The fourth proportional to 444,147.94, 612,939.90 and 253,130.50 is: 349,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,147.94 : 612,939.90 = 253,130.50 : x
  2. Step 2: Convert to fraction form
    444,147.94/612,939.90 = 253,130.50/x
  3. Step 3: Cross multiply
    444,147.94x = 612,939.90 × 253,130.50
  4. Step 4: Simplify right side
    444,147.94x = 155,153,783,356.95
  5. Step 5: Solve for x
    x = 155,153,783,356.95/444,147.94
  6. Step 6: Final answer
    x = 349,329.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.