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Finding the Fourth Proportional to 581,648.80, 872,530.80 and 202,511.20

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Solution

The fourth proportional to 581,648.80, 872,530.80 and 202,511.20 is: 303,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,648.80 : 872,530.80 = 202,511.20 : x
  2. Step 2: Convert to fraction form
    581,648.80/872,530.80 = 202,511.20/x
  3. Step 3: Cross multiply
    581,648.80x = 872,530.80 × 202,511.20
  4. Step 4: Simplify right side
    581,648.80x = 176,697,259,344.96
  5. Step 5: Solve for x
    x = 176,697,259,344.96/581,648.80
  6. Step 6: Final answer
    x = 303,786.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.