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Finding the Fourth Proportional to 416,555.92, 624,736.40 and 117,065.12

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Solution

The fourth proportional to 416,555.92, 624,736.40 and 117,065.12 is: 175,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,555.92 : 624,736.40 = 117,065.12 : x
  2. Step 2: Convert to fraction form
    416,555.92/624,736.40 = 117,065.12/x
  3. Step 3: Cross multiply
    416,555.92x = 624,736.40 × 117,065.12
  4. Step 4: Simplify right side
    416,555.92x = 73,134,841,634.37
  5. Step 5: Solve for x
    x = 73,134,841,634.37/416,555.92
  6. Step 6: Final answer
    x = 175,570.29

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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.