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Finding the Fourth Proportional to 624,555.60, 936,736.20 and 175,232.40

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Solution

The fourth proportional to 624,555.60, 936,736.20 and 175,232.40 is: 262,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,555.60 : 936,736.20 = 175,232.40 : x
  2. Step 2: Convert to fraction form
    624,555.60/936,736.20 = 175,232.40/x
  3. Step 3: Cross multiply
    624,555.60x = 936,736.20 × 175,232.40
  4. Step 4: Simplify right side
    624,555.60x = 164,146,532,492.88
  5. Step 5: Solve for x
    x = 164,146,532,492.88/624,555.60
  6. Step 6: Final answer
    x = 262,821.33

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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.