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Finding the Fourth Proportional to 806,665, 1,113,178.08 and 444,085.96

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Solution

The fourth proportional to 806,665, 1,113,178.08 and 444,085.96 is: 612,827.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,665 : 1,113,178.08 = 444,085.96 : x
  2. Step 2: Convert to fraction form
    806,665/1,113,178.08 = 444,085.96/x
  3. Step 3: Cross multiply
    806,665x = 1,113,178.08 × 444,085.96
  4. Step 4: Simplify right side
    806,665x = 494,346,756,307.76
  5. Step 5: Solve for x
    x = 494,346,756,307.76/806,665
  6. Step 6: Final answer
    x = 612,827.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.