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Finding the Fourth Proportional to 610,562.60, 915,930.30 and 189,794.60

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Solution

The fourth proportional to 610,562.60, 915,930.30 and 189,794.60 is: 284,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,562.60 : 915,930.30 = 189,794.60 : x
  2. Step 2: Convert to fraction form
    610,562.60/915,930.30 = 189,794.60/x
  3. Step 3: Cross multiply
    610,562.60x = 915,930.30 × 189,794.60
  4. Step 4: Simplify right side
    610,562.60x = 173,838,624,916.38
  5. Step 5: Solve for x
    x = 173,838,624,916.38/610,562.60
  6. Step 6: Final answer
    x = 284,718.76

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1.5x scale

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.