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Finding the Fourth Proportional to 535,650.92, 739,197.80 and 293,948.67

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Solution

The fourth proportional to 535,650.92, 739,197.80 and 293,948.67 is: 405,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,650.92 : 739,197.80 = 293,948.67 : x
  2. Step 2: Convert to fraction form
    535,650.92/739,197.80 = 293,948.67/x
  3. Step 3: Cross multiply
    535,650.92x = 739,197.80 × 293,948.67
  4. Step 4: Simplify right side
    535,650.92x = 217,286,210,176.93
  5. Step 5: Solve for x
    x = 217,286,210,176.93/535,650.92
  6. Step 6: Final answer
    x = 405,648.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.