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Finding the Fourth Proportional to 429,560.70, 592,801.09 and 235,976.58

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Solution

The fourth proportional to 429,560.70, 592,801.09 and 235,976.58 is: 325,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,560.70 : 592,801.09 = 235,976.58 : x
  2. Step 2: Convert to fraction form
    429,560.70/592,801.09 = 235,976.58/x
  3. Step 3: Cross multiply
    429,560.70x = 592,801.09 × 235,976.58
  4. Step 4: Simplify right side
    429,560.70x = 139,887,173,838.47
  5. Step 5: Solve for x
    x = 139,887,173,838.47/429,560.70
  6. Step 6: Final answer
    x = 325,651.70

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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.