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Finding the Fourth Proportional to 579,206.92, 798,831.66 and 407,692.66

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Solution

The fourth proportional to 579,206.92, 798,831.66 and 407,692.66 is: 562,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,206.92 : 798,831.66 = 407,692.66 : x
  2. Step 2: Convert to fraction form
    579,206.92/798,831.66 = 407,692.66/x
  3. Step 3: Cross multiply
    579,206.92x = 798,831.66 × 407,692.66
  4. Step 4: Simplify right side
    579,206.92x = 325,677,804,357.62
  5. Step 5: Solve for x
    x = 325,677,804,357.62/579,206.92
  6. Step 6: Final answer
    x = 562,282.31

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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.