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Finding the Fourth Proportional to 532,343.60, 798,515.40 and 343,386.80

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Solution

The fourth proportional to 532,343.60, 798,515.40 and 343,386.80 is: 515,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,343.60 : 798,515.40 = 343,386.80 : x
  2. Step 2: Convert to fraction form
    532,343.60/798,515.40 = 343,386.80/x
  3. Step 3: Cross multiply
    532,343.60x = 798,515.40 × 343,386.80
  4. Step 4: Simplify right side
    532,343.60x = 274,199,647,956.72
  5. Step 5: Solve for x
    x = 274,199,647,956.72/532,343.60
  6. Step 6: Final answer
    x = 515,080.20

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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.