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Finding the Fourth Proportional to 488,172.09, 732,327.70 and 151,239.23

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Solution

The fourth proportional to 488,172.09, 732,327.70 and 151,239.23 is: 226,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,172.09 : 732,327.70 = 151,239.23 : x
  2. Step 2: Convert to fraction form
    488,172.09/732,327.70 = 151,239.23/x
  3. Step 3: Cross multiply
    488,172.09x = 732,327.70 × 151,239.23
  4. Step 4: Simplify right side
    488,172.09x = 110,756,677,455.67
  5. Step 5: Solve for x
    x = 110,756,677,455.67/488,172.09
  6. Step 6: Final answer
    x = 226,880.40

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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.