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Finding the Fourth Proportional to 433,245.60, 649,522.80 and 183,722.40

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Solution

The fourth proportional to 433,245.60, 649,522.80 and 183,722.40 is: 275,437.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,245.60 : 649,522.80 = 183,722.40 : x
  2. Step 2: Convert to fraction form
    433,245.60/649,522.80 = 183,722.40/x
  3. Step 3: Cross multiply
    433,245.60x = 649,522.80 × 183,722.40
  4. Step 4: Simplify right side
    433,245.60x = 119,331,887,670.72
  5. Step 5: Solve for x
    x = 119,331,887,670.72/433,245.60
  6. Step 6: Final answer
    x = 275,437.04

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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.