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Finding the Fourth Proportional to 581,418.35, 872,259.15 and 202,356.98

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Solution

The fourth proportional to 581,418.35, 872,259.15 and 202,356.98 is: 303,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,418.35 : 872,259.15 = 202,356.98 : x
  2. Step 2: Convert to fraction form
    581,418.35/872,259.15 = 202,356.98/x
  3. Step 3: Cross multiply
    581,418.35x = 872,259.15 × 202,356.98
  4. Step 4: Simplify right side
    581,418.35x = 176,507,721,998.29
  5. Step 5: Solve for x
    x = 176,507,721,998.29/581,418.35
  6. Step 6: Final answer
    x = 303,581.27

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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.