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Finding the Fourth Proportional to 553,611.96, 829,772.78 and 254,124.18

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Solution

The fourth proportional to 553,611.96, 829,772.78 and 254,124.18 is: 380,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,611.96 : 829,772.78 = 254,124.18 : x
  2. Step 2: Convert to fraction form
    553,611.96/829,772.78 = 254,124.18/x
  3. Step 3: Cross multiply
    553,611.96x = 829,772.78 × 254,124.18
  4. Step 4: Simplify right side
    553,611.96x = 210,865,326,033.20
  5. Step 5: Solve for x
    x = 210,865,326,033.20/553,611.96
  6. Step 6: Final answer
    x = 380,890.12

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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.