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Finding the Fourth Proportional to 598,393.77, 825,779.49 and 340,270.76

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Solution

The fourth proportional to 598,393.77, 825,779.49 and 340,270.76 is: 469,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,393.77 : 825,779.49 = 340,270.76 : x
  2. Step 2: Convert to fraction form
    598,393.77/825,779.49 = 340,270.76/x
  3. Step 3: Cross multiply
    598,393.77x = 825,779.49 × 340,270.76
  4. Step 4: Simplify right side
    598,393.77x = 280,988,615,017.81
  5. Step 5: Solve for x
    x = 280,988,615,017.81/598,393.77
  6. Step 6: Final answer
    x = 469,571.42

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1.5x scale

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.