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Finding the Fourth Proportional to 590,920.08, 815,379.71 and 332,783.45

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Solution

The fourth proportional to 590,920.08, 815,379.71 and 332,783.45 is: 459,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,920.08 : 815,379.71 = 332,783.45 : x
  2. Step 2: Convert to fraction form
    590,920.08/815,379.71 = 332,783.45/x
  3. Step 3: Cross multiply
    590,920.08x = 815,379.71 × 332,783.45
  4. Step 4: Simplify right side
    590,920.08x = 271,344,867,212.98
  5. Step 5: Solve for x
    x = 271,344,867,212.98/590,920.08
  6. Step 6: Final answer
    x = 459,190.47

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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.