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Finding the Fourth Proportional to 416,769.60, 624,279.60 and 346,785.60

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Solution

The fourth proportional to 416,769.60, 624,279.60 and 346,785.60 is: 519,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,769.60 : 624,279.60 = 346,785.60 : x
  2. Step 2: Convert to fraction form
    416,769.60/624,279.60 = 346,785.60/x
  3. Step 3: Cross multiply
    416,769.60x = 624,279.60 × 346,785.60
  4. Step 4: Simplify right side
    416,769.60x = 216,491,175,653.76
  5. Step 5: Solve for x
    x = 216,491,175,653.76/416,769.60
  6. Step 6: Final answer
    x = 519,450.50

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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.