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Finding the Fourth Proportional to 308,393.60, 461,668.80 and 183,670.40

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Solution

The fourth proportional to 308,393.60, 461,668.80 and 183,670.40 is: 274,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,393.60 : 461,668.80 = 183,670.40 : x
  2. Step 2: Convert to fraction form
    308,393.60/461,668.80 = 183,670.40/x
  3. Step 3: Cross multiply
    308,393.60x = 461,668.80 × 183,670.40
  4. Step 4: Simplify right side
    308,393.60x = 84,794,893,163.52
  5. Step 5: Solve for x
    x = 84,794,893,163.52/308,393.60
  6. Step 6: Final answer
    x = 274,956.72

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1.5x scale

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.