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Finding the Fourth Proportional to 620,733.70, 931,014.15 and 200,052.10

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Solution

The fourth proportional to 620,733.70, 931,014.15 and 200,052.10 is: 300,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,733.70 : 931,014.15 = 200,052.10 : x
  2. Step 2: Convert to fraction form
    620,733.70/931,014.15 = 200,052.10/x
  3. Step 3: Cross multiply
    620,733.70x = 931,014.15 × 200,052.10
  4. Step 4: Simplify right side
    620,733.70x = 186,251,335,837.22
  5. Step 5: Solve for x
    x = 186,251,335,837.22/620,733.70
  6. Step 6: Final answer
    x = 300,050.30

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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.