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Finding the Fourth Proportional to 553,612.96, 829,774.27 and 254,125.18

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Solution

The fourth proportional to 553,612.96, 829,774.27 and 254,125.18 is: 380,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,612.96 : 829,774.27 = 254,125.18 : x
  2. Step 2: Convert to fraction form
    553,612.96/829,774.27 = 254,125.18/x
  3. Step 3: Cross multiply
    553,612.96x = 829,774.27 × 254,125.18
  4. Step 4: Simplify right side
    553,612.96x = 210,866,535,723.12
  5. Step 5: Solve for x
    x = 210,866,535,723.12/553,612.96
  6. Step 6: Final answer
    x = 380,891.62

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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.