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Finding the Fourth Proportional to 362,874.70, 500,828.96 and 210,005.97

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Solution

The fourth proportional to 362,874.70, 500,828.96 and 210,005.97 is: 289,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,874.70 : 500,828.96 = 210,005.97 : x
  2. Step 2: Convert to fraction form
    362,874.70/500,828.96 = 210,005.97/x
  3. Step 3: Cross multiply
    362,874.70x = 500,828.96 × 210,005.97
  4. Step 4: Simplify right side
    362,874.70x = 105,177,071,548.89
  5. Step 5: Solve for x
    x = 105,177,071,548.89/362,874.70
  6. Step 6: Final answer
    x = 289,844.05

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1.5x scale

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.