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Finding the Fourth Proportional to 616,091.55, 924,224.81 and 189,662.87

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Solution

The fourth proportional to 616,091.55, 924,224.81 and 189,662.87 is: 284,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,091.55 : 924,224.81 = 189,662.87 : x
  2. Step 2: Convert to fraction form
    616,091.55/924,224.81 = 189,662.87/x
  3. Step 3: Cross multiply
    616,091.55x = 924,224.81 × 189,662.87
  4. Step 4: Simplify right side
    616,091.55x = 175,291,124,420.37
  5. Step 5: Solve for x
    x = 175,291,124,420.37/616,091.55
  6. Step 6: Final answer
    x = 284,521.23

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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.