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Finding the Fourth Proportional to 433,124.70, 649,687.05 and 183,774.30

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Solution

The fourth proportional to 433,124.70, 649,687.05 and 183,774.30 is: 275,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,124.70 : 649,687.05 = 183,774.30 : x
  2. Step 2: Convert to fraction form
    433,124.70/649,687.05 = 183,774.30/x
  3. Step 3: Cross multiply
    433,124.70x = 649,687.05 × 183,774.30
  4. Step 4: Simplify right side
    433,124.70x = 119,395,782,832.82
  5. Step 5: Solve for x
    x = 119,395,782,832.82/433,124.70
  6. Step 6: Final answer
    x = 275,661.45

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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.