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Finding the Fourth Proportional to 662,049.20, 993,484.20 and 346,732.40

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Solution

The fourth proportional to 662,049.20, 993,484.20 and 346,732.40 is: 520,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,049.20 : 993,484.20 = 346,732.40 : x
  2. Step 2: Convert to fraction form
    662,049.20/993,484.20 = 346,732.40/x
  3. Step 3: Cross multiply
    662,049.20x = 993,484.20 × 346,732.40
  4. Step 4: Simplify right side
    662,049.20x = 344,473,161,028.08
  5. Step 5: Solve for x
    x = 344,473,161,028.08/662,049.20
  6. Step 6: Final answer
    x = 520,313.54

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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.