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Finding the Fourth Proportional to 562,290.40, 843,435.60 and 508,052.80

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Solution

The fourth proportional to 562,290.40, 843,435.60 and 508,052.80 is: 762,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,290.40 : 843,435.60 = 508,052.80 : x
  2. Step 2: Convert to fraction form
    562,290.40/843,435.60 = 508,052.80/x
  3. Step 3: Cross multiply
    562,290.40x = 843,435.60 × 508,052.80
  4. Step 4: Simplify right side
    562,290.40x = 428,509,818,199.68
  5. Step 5: Solve for x
    x = 428,509,818,199.68/562,290.40
  6. Step 6: Final answer
    x = 762,079.20

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Similar ratio
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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.