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Finding the Fourth Proportional to 606,890.64, 837,508.56 and 338,618.64

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Solution

The fourth proportional to 606,890.64, 837,508.56 and 338,618.64 is: 467,293.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,890.64 : 837,508.56 = 338,618.64 : x
  2. Step 2: Convert to fraction form
    606,890.64/837,508.56 = 338,618.64/x
  3. Step 3: Cross multiply
    606,890.64x = 837,508.56 × 338,618.64
  4. Step 4: Simplify right side
    606,890.64x = 283,596,009,575.56
  5. Step 5: Solve for x
    x = 283,596,009,575.56/606,890.64
  6. Step 6: Final answer
    x = 467,293.43

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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.