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Finding the Fourth Proportional to 609,592.90, 913,946.28 and 254,708.50

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Solution

The fourth proportional to 609,592.90, 913,946.28 and 254,708.50 is: 381,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,592.90 : 913,946.28 = 254,708.50 : x
  2. Step 2: Convert to fraction form
    609,592.90/913,946.28 = 254,708.50/x
  3. Step 3: Cross multiply
    609,592.90x = 913,946.28 × 254,708.50
  4. Step 4: Simplify right side
    609,592.90x = 232,789,886,059.38
  5. Step 5: Solve for x
    x = 232,789,886,059.38/609,592.90
  6. Step 6: Final answer
    x = 381,877.62

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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.