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Finding the Fourth Proportional to 581,137.47, 871,846.74 and 202,003.47

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Solution

The fourth proportional to 581,137.47, 871,846.74 and 202,003.47 is: 303,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,137.47 : 871,846.74 = 202,003.47 : x
  2. Step 2: Convert to fraction form
    581,137.47/871,846.74 = 202,003.47/x
  3. Step 3: Cross multiply
    581,137.47x = 871,846.74 × 202,003.47
  4. Step 4: Simplify right side
    581,137.47x = 176,116,066,788.19
  5. Step 5: Solve for x
    x = 176,116,066,788.19/581,137.47
  6. Step 6: Final answer
    x = 303,054.05

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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.