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Finding the Fourth Proportional to 513,230.58, 708,196.39 and 283,756.87

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Solution

The fourth proportional to 513,230.58, 708,196.39 and 283,756.87 is: 391,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,230.58 : 708,196.39 = 283,756.87 : x
  2. Step 2: Convert to fraction form
    513,230.58/708,196.39 = 283,756.87/x
  3. Step 3: Cross multiply
    513,230.58x = 708,196.39 × 283,756.87
  4. Step 4: Simplify right side
    513,230.58x = 200,955,591,945.62
  5. Step 5: Solve for x
    x = 200,955,591,945.62/513,230.58
  6. Step 6: Final answer
    x = 391,550.31

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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.