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Finding the Fourth Proportional to 471,750.60, 706,848.30 and 392,435.40

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Solution

The fourth proportional to 471,750.60, 706,848.30 and 392,435.40 is: 588,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,750.60 : 706,848.30 = 392,435.40 : x
  2. Step 2: Convert to fraction form
    471,750.60/706,848.30 = 392,435.40/x
  3. Step 3: Cross multiply
    471,750.60x = 706,848.30 × 392,435.40
  4. Step 4: Simplify right side
    471,750.60x = 277,392,295,349.82
  5. Step 5: Solve for x
    x = 277,392,295,349.82/471,750.60
  6. Step 6: Final answer
    x = 588,006.24

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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.