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Finding the Fourth Proportional to 482,555.88, 723,586.50 and 254,973.72

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Solution

The fourth proportional to 482,555.88, 723,586.50 and 254,973.72 is: 382,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,555.88 : 723,586.50 = 254,973.72 : x
  2. Step 2: Convert to fraction form
    482,555.88/723,586.50 = 254,973.72/x
  3. Step 3: Cross multiply
    482,555.88x = 723,586.50 × 254,973.72
  4. Step 4: Simplify right side
    482,555.88x = 184,495,541,646.78
  5. Step 5: Solve for x
    x = 184,495,541,646.78/482,555.88
  6. Step 6: Final answer
    x = 382,329.90

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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.