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Finding the Fourth Proportional to 685,413, 944,179.86 and 583,110.81

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Solution

The fourth proportional to 685,413, 944,179.86 and 583,110.81 is: 803,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,413 : 944,179.86 = 583,110.81 : x
  2. Step 2: Convert to fraction form
    685,413/944,179.86 = 583,110.81/x
  3. Step 3: Cross multiply
    685,413x = 944,179.86 × 583,110.81
  4. Step 4: Simplify right side
    685,413x = 550,561,482,950.29
  5. Step 5: Solve for x
    x = 550,561,482,950.29/685,413
  6. Step 6: Final answer
    x = 803,255.09

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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.