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Finding the Fourth Proportional to 662,014.20, 993,431.70 and 346,697.40

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Solution

The fourth proportional to 662,014.20, 993,431.70 and 346,697.40 is: 520,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,014.20 : 993,431.70 = 346,697.40 : x
  2. Step 2: Convert to fraction form
    662,014.20/993,431.70 = 346,697.40/x
  3. Step 3: Cross multiply
    662,014.20x = 993,431.70 × 346,697.40
  4. Step 4: Simplify right side
    662,014.20x = 344,420,187,467.58
  5. Step 5: Solve for x
    x = 344,420,187,467.58/662,014.20
  6. Step 6: Final answer
    x = 520,261.03

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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.