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Finding the Fourth Proportional to 444,103.74, 612,475.74 and 314,786.40

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Solution

The fourth proportional to 444,103.74, 612,475.74 and 314,786.40 is: 434,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,103.74 : 612,475.74 = 314,786.40 : x
  2. Step 2: Convert to fraction form
    444,103.74/612,475.74 = 314,786.40/x
  3. Step 3: Cross multiply
    444,103.74x = 612,475.74 × 314,786.40
  4. Step 4: Simplify right side
    444,103.74x = 192,799,033,281.94
  5. Step 5: Solve for x
    x = 192,799,033,281.94/444,103.74
  6. Step 6: Final answer
    x = 434,130.62

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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.