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Finding the Fourth Proportional to 606,953.20, 910,429.80 and 252,221.80

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Solution

The fourth proportional to 606,953.20, 910,429.80 and 252,221.80 is: 378,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,953.20 : 910,429.80 = 252,221.80 : x
  2. Step 2: Convert to fraction form
    606,953.20/910,429.80 = 252,221.80/x
  3. Step 3: Cross multiply
    606,953.20x = 910,429.80 × 252,221.80
  4. Step 4: Simplify right side
    606,953.20x = 229,630,242,929.64
  5. Step 5: Solve for x
    x = 229,630,242,929.64/606,953.20
  6. Step 6: Final answer
    x = 378,332.70

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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.