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Finding the Fourth Proportional to 364,339.20, 546,585.60 and 153,868.80

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Solution

The fourth proportional to 364,339.20, 546,585.60 and 153,868.80 is: 230,835.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,339.20 : 546,585.60 = 153,868.80 : x
  2. Step 2: Convert to fraction form
    364,339.20/546,585.60 = 153,868.80/x
  3. Step 3: Cross multiply
    364,339.20x = 546,585.60 × 153,868.80
  4. Step 4: Simplify right side
    364,339.20x = 84,102,470,369.28
  5. Step 5: Solve for x
    x = 84,102,470,369.28/364,339.20
  6. Step 6: Final answer
    x = 230,835.63

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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.