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Finding the Fourth Proportional to 476,440.98, 714,509.73 and 156,518.59

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Solution

The fourth proportional to 476,440.98, 714,509.73 and 156,518.59 is: 234,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,440.98 : 714,509.73 = 156,518.59 : x
  2. Step 2: Convert to fraction form
    476,440.98/714,509.73 = 156,518.59/x
  3. Step 3: Cross multiply
    476,440.98x = 714,509.73 × 156,518.59
  4. Step 4: Simplify right side
    476,440.98x = 111,834,055,480.88
  5. Step 5: Solve for x
    x = 111,834,055,480.88/476,440.98
  6. Step 6: Final answer
    x = 234,728.04

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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.