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Finding the Fourth Proportional to 556,580.17, 833,757.31 and 256,650.13

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Solution

The fourth proportional to 556,580.17, 833,757.31 and 256,650.13 is: 384,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,580.17 : 833,757.31 = 256,650.13 : x
  2. Step 2: Convert to fraction form
    556,580.17/833,757.31 = 256,650.13/x
  3. Step 3: Cross multiply
    556,580.17x = 833,757.31 × 256,650.13
  4. Step 4: Simplify right side
    556,580.17x = 213,983,921,999.95
  5. Step 5: Solve for x
    x = 213,983,921,999.95/556,580.17
  6. Step 6: Final answer
    x = 384,461.99

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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.