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Finding the Fourth Proportional to 616,090.55, 924,223.31 and 189,661.87

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Solution

The fourth proportional to 616,090.55, 924,223.31 and 189,661.87 is: 284,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,090.55 : 924,223.31 = 189,661.87 : x
  2. Step 2: Convert to fraction form
    616,090.55/924,223.31 = 189,661.87/x
  3. Step 3: Cross multiply
    616,090.55x = 924,223.31 × 189,661.87
  4. Step 4: Simplify right side
    616,090.55x = 175,289,915,702.76
  5. Step 5: Solve for x
    x = 175,289,915,702.76/616,090.55
  6. Step 6: Final answer
    x = 284,519.73

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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.