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Finding the Fourth Proportional to 555,696.89, 833,545.31 and 256,088.82

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Solution

The fourth proportional to 555,696.89, 833,545.31 and 256,088.82 is: 384,133.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,696.89 : 833,545.31 = 256,088.82 : x
  2. Step 2: Convert to fraction form
    555,696.89/833,545.31 = 256,088.82/x
  3. Step 3: Cross multiply
    555,696.89x = 833,545.31 × 256,088.82
  4. Step 4: Simplify right side
    555,696.89x = 213,461,633,573.99
  5. Step 5: Solve for x
    x = 213,461,633,573.99/555,696.89
  6. Step 6: Final answer
    x = 384,133.22

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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.