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Finding the Fourth Proportional to 566,889.44, 782,307.41 and 312,240.62

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Solution

The fourth proportional to 566,889.44, 782,307.41 and 312,240.62 is: 430,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,889.44 : 782,307.41 = 312,240.62 : x
  2. Step 2: Convert to fraction form
    566,889.44/782,307.41 = 312,240.62/x
  3. Step 3: Cross multiply
    566,889.44x = 782,307.41 × 312,240.62
  4. Step 4: Simplify right side
    566,889.44x = 244,268,151,123.56
  5. Step 5: Solve for x
    x = 244,268,151,123.56/566,889.44
  6. Step 6: Final answer
    x = 430,892.05

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Double scale
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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.