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Finding the Fourth Proportional to 553,062.84, 829,715.22 and 179,123.64

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Solution

The fourth proportional to 553,062.84, 829,715.22 and 179,123.64 is: 268,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,062.84 : 829,715.22 = 179,123.64 : x
  2. Step 2: Convert to fraction form
    553,062.84/829,715.22 = 179,123.64/x
  3. Step 3: Cross multiply
    553,062.84x = 829,715.22 × 179,123.64
  4. Step 4: Simplify right side
    553,062.84x = 148,621,610,369.80
  5. Step 5: Solve for x
    x = 148,621,610,369.80/553,062.84
  6. Step 6: Final answer
    x = 268,724.64

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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.