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Finding the Fourth Proportional to 662,763, 993,217.82 and 358,500.34

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Solution

The fourth proportional to 662,763, 993,217.82 and 358,500.34 is: 537,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,763 : 993,217.82 = 358,500.34 : x
  2. Step 2: Convert to fraction form
    662,763/993,217.82 = 358,500.34/x
  3. Step 3: Cross multiply
    662,763x = 993,217.82 × 358,500.34
  4. Step 4: Simplify right side
    662,763x = 356,068,926,164.06
  5. Step 5: Solve for x
    x = 356,068,926,164.06/662,763
  6. Step 6: Final answer
    x = 537,249.25

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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.