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Finding the Fourth Proportional to 307,951.60, 461,927.40 and 223,314.70

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Solution

The fourth proportional to 307,951.60, 461,927.40 and 223,314.70 is: 334,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,951.60 : 461,927.40 = 223,314.70 : x
  2. Step 2: Convert to fraction form
    307,951.60/461,927.40 = 223,314.70/x
  3. Step 3: Cross multiply
    307,951.60x = 461,927.40 × 223,314.70
  4. Step 4: Simplify right side
    307,951.60x = 103,155,178,752.78
  5. Step 5: Solve for x
    x = 103,155,178,752.78/307,951.60
  6. Step 6: Final answer
    x = 334,972.05

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Similar ratio
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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.