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Finding the Fourth Proportional to 532,300.40, 798,450.60 and 343,343.60

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Solution

The fourth proportional to 532,300.40, 798,450.60 and 343,343.60 is: 515,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,300.40 : 798,450.60 = 343,343.60 : x
  2. Step 2: Convert to fraction form
    532,300.40/798,450.60 = 343,343.60/x
  3. Step 3: Cross multiply
    532,300.40x = 798,450.60 × 343,343.60
  4. Step 4: Simplify right side
    532,300.40x = 274,142,903,426.16
  5. Step 5: Solve for x
    x = 274,142,903,426.16/532,300.40
  6. Step 6: Final answer
    x = 515,015.40

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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.