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Finding the Fourth Proportional to 616,056.70, 924,172.64 and 189,628.09

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Solution

The fourth proportional to 616,056.70, 924,172.64 and 189,628.09 is: 284,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,056.70 : 924,172.64 = 189,628.09 : x
  2. Step 2: Convert to fraction form
    616,056.70/924,172.64 = 189,628.09/x
  3. Step 3: Cross multiply
    616,056.70x = 924,172.64 × 189,628.09
  4. Step 4: Simplify right side
    616,056.70x = 175,249,092,553.46
  5. Step 5: Solve for x
    x = 175,249,092,553.46/616,056.70
  6. Step 6: Final answer
    x = 284,469.10

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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.