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Finding the Fourth Proportional to 624,139.60, 936,209.40 and 599,645.20

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Solution

The fourth proportional to 624,139.60, 936,209.40 and 599,645.20 is: 899,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,139.60 : 936,209.40 = 599,645.20 : x
  2. Step 2: Convert to fraction form
    624,139.60/936,209.40 = 599,645.20/x
  3. Step 3: Cross multiply
    624,139.60x = 936,209.40 × 599,645.20
  4. Step 4: Simplify right side
    624,139.60x = 561,393,472,904.88
  5. Step 5: Solve for x
    x = 561,393,472,904.88/624,139.60
  6. Step 6: Final answer
    x = 899,467.80

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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.