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Finding the Fourth Proportional to 553,611.48, 829,772.04 and 254,123.68

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Solution

The fourth proportional to 553,611.48, 829,772.04 and 254,123.68 is: 380,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,611.48 : 829,772.04 = 254,123.68 : x
  2. Step 2: Convert to fraction form
    553,611.48/829,772.04 = 254,123.68/x
  3. Step 3: Cross multiply
    553,611.48x = 829,772.04 × 254,123.68
  4. Step 4: Simplify right side
    553,611.48x = 210,864,724,365.91
  5. Step 5: Solve for x
    x = 210,864,724,365.91/553,611.48
  6. Step 6: Final answer
    x = 380,889.36

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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.