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Finding the Fourth Proportional to 562,763.60, 844,145.40 and 163,403.60

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Solution

The fourth proportional to 562,763.60, 844,145.40 and 163,403.60 is: 245,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,763.60 : 844,145.40 = 163,403.60 : x
  2. Step 2: Convert to fraction form
    562,763.60/844,145.40 = 163,403.60/x
  3. Step 3: Cross multiply
    562,763.60x = 844,145.40 × 163,403.60
  4. Step 4: Simplify right side
    562,763.60x = 137,936,397,283.44
  5. Step 5: Solve for x
    x = 137,936,397,283.44/562,763.60
  6. Step 6: Final answer
    x = 245,105.40

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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.