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Finding the Fourth Proportional to 705,864.60, 974,092.44 and 383,573.96

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Solution

The fourth proportional to 705,864.60, 974,092.44 and 383,573.96 is: 529,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,864.60 : 974,092.44 = 383,573.96 : x
  2. Step 2: Convert to fraction form
    705,864.60/974,092.44 = 383,573.96/x
  3. Step 3: Cross multiply
    705,864.60x = 974,092.44 × 383,573.96
  4. Step 4: Simplify right side
    705,864.60x = 373,636,494,616.86
  5. Step 5: Solve for x
    x = 373,636,494,616.86/705,864.60
  6. Step 6: Final answer
    x = 529,331.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.