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Finding the Fourth Proportional to 624,544.48, 936,842.64 and 181,312.48

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Solution

The fourth proportional to 624,544.48, 936,842.64 and 181,312.48 is: 271,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,544.48 : 936,842.64 = 181,312.48 : x
  2. Step 2: Convert to fraction form
    624,544.48/936,842.64 = 181,312.48/x
  3. Step 3: Cross multiply
    624,544.48x = 936,842.64 × 181,312.48
  4. Step 4: Simplify right side
    624,544.48x = 169,861,262,428.15
  5. Step 5: Solve for x
    x = 169,861,262,428.15/624,544.48
  6. Step 6: Final answer
    x = 271,976.24

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Similar ratio
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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.