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Finding the Fourth Proportional to 553,063.84, 829,716.72 and 179,124.64

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Solution

The fourth proportional to 553,063.84, 829,716.72 and 179,124.64 is: 268,726.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,063.84 : 829,716.72 = 179,124.64 : x
  2. Step 2: Convert to fraction form
    553,063.84/829,716.72 = 179,124.64/x
  3. Step 3: Cross multiply
    553,063.84x = 829,716.72 × 179,124.64
  4. Step 4: Simplify right side
    553,063.84x = 148,622,708,771.98
  5. Step 5: Solve for x
    x = 148,622,708,771.98/553,063.84
  6. Step 6: Final answer
    x = 268,726.14

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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.