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Finding the Fourth Proportional to 519,217.56, 716,585.94 and 301,379.67

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Solution

The fourth proportional to 519,217.56, 716,585.94 and 301,379.67 is: 415,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,217.56 : 716,585.94 = 301,379.67 : x
  2. Step 2: Convert to fraction form
    519,217.56/716,585.94 = 301,379.67/x
  3. Step 3: Cross multiply
    519,217.56x = 716,585.94 × 301,379.67
  4. Step 4: Simplify right side
    519,217.56x = 215,964,434,123.84
  5. Step 5: Solve for x
    x = 215,964,434,123.84/519,217.56
  6. Step 6: Final answer
    x = 415,942.08

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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.