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Finding the Fourth Proportional to 616,090.05, 924,222.56 and 189,661.37

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Solution

The fourth proportional to 616,090.05, 924,222.56 and 189,661.37 is: 284,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,090.05 : 924,222.56 = 189,661.37 : x
  2. Step 2: Convert to fraction form
    616,090.05/924,222.56 = 189,661.37/x
  3. Step 3: Cross multiply
    616,090.05x = 924,222.56 × 189,661.37
  4. Step 4: Simplify right side
    616,090.05x = 175,289,311,345.09
  5. Step 5: Solve for x
    x = 175,289,311,345.09/616,090.05
  6. Step 6: Final answer
    x = 284,518.98

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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.