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Finding the Fourth Proportional to 569,870.28, 786,463.64 and 324,860.88

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Solution

The fourth proportional to 569,870.28, 786,463.64 and 324,860.88 is: 448,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,870.28 : 786,463.64 = 324,860.88 : x
  2. Step 2: Convert to fraction form
    569,870.28/786,463.64 = 324,860.88/x
  3. Step 3: Cross multiply
    569,870.28x = 786,463.64 × 324,860.88
  4. Step 4: Simplify right side
    569,870.28x = 255,491,270,178.40
  5. Step 5: Solve for x
    x = 255,491,270,178.40/569,870.28
  6. Step 6: Final answer
    x = 448,332.33

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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.