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Finding the Fourth Proportional to 694,527, 958,570.11 and 408,047.01

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Solution

The fourth proportional to 694,527, 958,570.11 and 408,047.01 is: 563,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,527 : 958,570.11 = 408,047.01 : x
  2. Step 2: Convert to fraction form
    694,527/958,570.11 = 408,047.01/x
  3. Step 3: Cross multiply
    694,527x = 958,570.11 × 408,047.01
  4. Step 4: Simplify right side
    694,527x = 391,141,667,260.87
  5. Step 5: Solve for x
    x = 391,141,667,260.87/694,527
  6. Step 6: Final answer
    x = 563,177.05

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