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Finding the Fourth Proportional to 319,227.32, 440,573.58 and 183,303.80

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Solution

The fourth proportional to 319,227.32, 440,573.58 and 183,303.80 is: 252,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,227.32 : 440,573.58 = 183,303.80 : x
  2. Step 2: Convert to fraction form
    319,227.32/440,573.58 = 183,303.80/x
  3. Step 3: Cross multiply
    319,227.32x = 440,573.58 × 183,303.80
  4. Step 4: Simplify right side
    319,227.32x = 80,758,811,393.60
  5. Step 5: Solve for x
    x = 80,758,811,393.60/319,227.32
  6. Step 6: Final answer
    x = 252,982.14

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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.