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Finding the Fourth Proportional to 565,950.84, 780,478.22 and 372,015.96

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Solution

The fourth proportional to 565,950.84, 780,478.22 and 372,015.96 is: 513,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,950.84 : 780,478.22 = 372,015.96 : x
  2. Step 2: Convert to fraction form
    565,950.84/780,478.22 = 372,015.96/x
  3. Step 3: Cross multiply
    565,950.84x = 780,478.22 × 372,015.96
  4. Step 4: Simplify right side
    565,950.84x = 290,350,354,272.39
  5. Step 5: Solve for x
    x = 290,350,354,272.39/565,950.84
  6. Step 6: Final answer
    x = 513,031.05

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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.