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Finding the Fourth Proportional to 633,247.20, 947,797.20 and 492,242.40

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Solution

The fourth proportional to 633,247.20, 947,797.20 and 492,242.40 is: 736,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,247.20 : 947,797.20 = 492,242.40 : x
  2. Step 2: Convert to fraction form
    633,247.20/947,797.20 = 492,242.40/x
  3. Step 3: Cross multiply
    633,247.20x = 947,797.20 × 492,242.40
  4. Step 4: Simplify right side
    633,247.20x = 466,545,968,441.28
  5. Step 5: Solve for x
    x = 466,545,968,441.28/633,247.20
  6. Step 6: Final answer
    x = 736,751.73

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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.