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Finding the Fourth Proportional to 806,632.79, 1,112,692.01 and 504,301.91

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Solution

The fourth proportional to 806,632.79, 1,112,692.01 and 504,301.91 is: 695,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,632.79 : 1,112,692.01 = 504,301.91 : x
  2. Step 2: Convert to fraction form
    806,632.79/1,112,692.01 = 504,301.91/x
  3. Step 3: Cross multiply
    806,632.79x = 1,112,692.01 × 504,301.91
  4. Step 4: Simplify right side
    806,632.79x = 561,132,697,799.77
  5. Step 5: Solve for x
    x = 561,132,697,799.77/806,632.79
  6. Step 6: Final answer
    x = 695,648.27

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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.