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Finding the Fourth Proportional to 513,897.26, 708,709.64 and 441,277.34

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Solution

The fourth proportional to 513,897.26, 708,709.64 and 441,277.34 is: 608,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,897.26 : 708,709.64 = 441,277.34 : x
  2. Step 2: Convert to fraction form
    513,897.26/708,709.64 = 441,277.34/x
  3. Step 3: Cross multiply
    513,897.26x = 708,709.64 × 441,277.34
  4. Step 4: Simplify right side
    513,897.26x = 312,737,499,021.62
  5. Step 5: Solve for x
    x = 312,737,499,021.62/513,897.26
  6. Step 6: Final answer
    x = 608,560.36

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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.