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Finding the Fourth Proportional to 624,145.60, 936,218.40 and 599,651.20

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Solution

The fourth proportional to 624,145.60, 936,218.40 and 599,651.20 is: 899,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,145.60 : 936,218.40 = 599,651.20 : x
  2. Step 2: Convert to fraction form
    624,145.60/936,218.40 = 599,651.20/x
  3. Step 3: Cross multiply
    624,145.60x = 936,218.40 × 599,651.20
  4. Step 4: Simplify right side
    624,145.60x = 561,404,487,022.08
  5. Step 5: Solve for x
    x = 561,404,487,022.08/624,145.60
  6. Step 6: Final answer
    x = 899,476.80

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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.