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Finding the Fourth Proportional to 519,209.01, 716,517.77 and 304,503.93

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Solution

The fourth proportional to 519,209.01, 716,517.77 and 304,503.93 is: 420,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,209.01 : 716,517.77 = 304,503.93 : x
  2. Step 2: Convert to fraction form
    519,209.01/716,517.77 = 304,503.93/x
  3. Step 3: Cross multiply
    519,209.01x = 716,517.77 × 304,503.93
  4. Step 4: Simplify right side
    519,209.01x = 218,182,475,357.32
  5. Step 5: Solve for x
    x = 218,182,475,357.32/519,209.01
  6. Step 6: Final answer
    x = 420,220.90

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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.