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Finding the Fourth Proportional to 705,960.82, 974,233.47 and 383,670.93

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Solution

The fourth proportional to 705,960.82, 974,233.47 and 383,670.93 is: 529,469.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,960.82 : 974,233.47 = 383,670.93 : x
  2. Step 2: Convert to fraction form
    705,960.82/974,233.47 = 383,670.93/x
  3. Step 3: Cross multiply
    705,960.82x = 974,233.47 × 383,670.93
  4. Step 4: Simplify right side
    705,960.82x = 373,785,061,084.11
  5. Step 5: Solve for x
    x = 373,785,061,084.11/705,960.82
  6. Step 6: Final answer
    x = 529,469.98

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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.