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Finding the Fourth Proportional to 340,861.60, 510,908.40 and 163,453.60

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Solution

The fourth proportional to 340,861.60, 510,908.40 and 163,453.60 is: 244,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,861.60 : 510,908.40 = 163,453.60 : x
  2. Step 2: Convert to fraction form
    340,861.60/510,908.40 = 163,453.60/x
  3. Step 3: Cross multiply
    340,861.60x = 510,908.40 × 163,453.60
  4. Step 4: Simplify right side
    340,861.60x = 83,509,817,250.24
  5. Step 5: Solve for x
    x = 83,509,817,250.24/340,861.60
  6. Step 6: Final answer
    x = 244,996.26

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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.