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Finding the Fourth Proportional to 332,703.90, 499,484.88 and 285,621.57

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Solution

The fourth proportional to 332,703.90, 499,484.88 and 285,621.57 is: 428,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,703.90 : 499,484.88 = 285,621.57 : x
  2. Step 2: Convert to fraction form
    332,703.90/499,484.88 = 285,621.57/x
  3. Step 3: Cross multiply
    332,703.90x = 499,484.88 × 285,621.57
  4. Step 4: Simplify right side
    332,703.90x = 142,663,655,616.86
  5. Step 5: Solve for x
    x = 142,663,655,616.86/332,703.90
  6. Step 6: Final answer
    x = 428,800.67

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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.