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Finding the Fourth Proportional to 614,216.32, 847,583.48 and 338,519.42

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Solution

The fourth proportional to 614,216.32, 847,583.48 and 338,519.42 is: 467,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,216.32 : 847,583.48 = 338,519.42 : x
  2. Step 2: Convert to fraction form
    614,216.32/847,583.48 = 338,519.42/x
  3. Step 3: Cross multiply
    614,216.32x = 847,583.48 × 338,519.42
  4. Step 4: Simplify right side
    614,216.32x = 286,923,468,051.18
  5. Step 5: Solve for x
    x = 286,923,468,051.18/614,216.32
  6. Step 6: Final answer
    x = 467,137.49

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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.