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Finding the Fourth Proportional to 806,365.50, 1,112,762 and 457,569.44

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Solution

The fourth proportional to 806,365.50, 1,112,762 and 457,569.44 is: 631,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,365.50 : 1,112,762 = 457,569.44 : x
  2. Step 2: Convert to fraction form
    806,365.50/1,112,762 = 457,569.44/x
  3. Step 3: Cross multiply
    806,365.50x = 1,112,762 × 457,569.44
  4. Step 4: Simplify right side
    806,365.50x = 509,165,885,193.28
  5. Step 5: Solve for x
    x = 509,165,885,193.28/806,365.50
  6. Step 6: Final answer
    x = 631,433.12

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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.