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Finding the Fourth Proportional to 883,387.92, 1,324,379.88 and 384,402

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Solution

The fourth proportional to 883,387.92, 1,324,379.88 and 384,402 is: 576,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,387.92 : 1,324,379.88 = 384,402 : x
  2. Step 2: Convert to fraction form
    883,387.92/1,324,379.88 = 384,402/x
  3. Step 3: Cross multiply
    883,387.92x = 1,324,379.88 × 384,402
  4. Step 4: Simplify right side
    883,387.92x = 509,094,274,631.76
  5. Step 5: Solve for x
    x = 509,094,274,631.76/883,387.92
  6. Step 6: Final answer
    x = 576,297.53

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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.