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Finding the Fourth Proportional to 624,014.40, 936,943.20 and 483,931.20

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Solution

The fourth proportional to 624,014.40, 936,943.20 and 483,931.20 is: 726,611.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,014.40 : 936,943.20 = 483,931.20 : x
  2. Step 2: Convert to fraction form
    624,014.40/936,943.20 = 483,931.20/x
  3. Step 3: Cross multiply
    624,014.40x = 936,943.20 × 483,931.20
  4. Step 4: Simplify right side
    624,014.40x = 453,416,047,107.84
  5. Step 5: Solve for x
    x = 453,416,047,107.84/624,014.40
  6. Step 6: Final answer
    x = 726,611.51

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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.