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Finding the Fourth Proportional to 471,800.91, 647,423.23 and 429,032.91

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Solution

The fourth proportional to 471,800.91, 647,423.23 and 429,032.91 is: 588,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,800.91 : 647,423.23 = 429,032.91 : x
  2. Step 2: Convert to fraction form
    471,800.91/647,423.23 = 429,032.91/x
  3. Step 3: Cross multiply
    471,800.91x = 647,423.23 × 429,032.91
  4. Step 4: Simplify right side
    471,800.91x = 277,765,871,295.92
  5. Step 5: Solve for x
    x = 277,765,871,295.92/471,800.91
  6. Step 6: Final answer
    x = 588,735.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.