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Finding the Fourth Proportional to 314,576.91, 434,158.99 and 185,551.83

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Solution

The fourth proportional to 314,576.91, 434,158.99 and 185,551.83 is: 256,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,576.91 : 434,158.99 = 185,551.83 : x
  2. Step 2: Convert to fraction form
    314,576.91/434,158.99 = 185,551.83/x
  3. Step 3: Cross multiply
    314,576.91x = 434,158.99 × 185,551.83
  4. Step 4: Simplify right side
    314,576.91x = 80,558,994,641.57
  5. Step 5: Solve for x
    x = 80,558,994,641.57/314,576.91
  6. Step 6: Final answer
    x = 256,086.80

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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.