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Finding the Fourth Proportional to 488,632.02, 732,137.37 and 345,768.98

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Solution

The fourth proportional to 488,632.02, 732,137.37 and 345,768.98 is: 518,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,632.02 : 732,137.37 = 345,768.98 : x
  2. Step 2: Convert to fraction form
    488,632.02/732,137.37 = 345,768.98/x
  3. Step 3: Cross multiply
    488,632.02x = 732,137.37 × 345,768.98
  4. Step 4: Simplify right side
    488,632.02x = 253,150,387,984.10
  5. Step 5: Solve for x
    x = 253,150,387,984.10/488,632.02
  6. Step 6: Final answer
    x = 518,079.82

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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.