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Finding the Fourth Proportional to 706,432.41, 974,847.05 and 400,529.37

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Solution

The fourth proportional to 706,432.41, 974,847.05 and 400,529.37 is: 552,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,432.41 : 974,847.05 = 400,529.37 : x
  2. Step 2: Convert to fraction form
    706,432.41/974,847.05 = 400,529.37/x
  3. Step 3: Cross multiply
    706,432.41x = 974,847.05 × 400,529.37
  4. Step 4: Simplify right side
    706,432.41x = 390,454,874,782.86
  5. Step 5: Solve for x
    x = 390,454,874,782.86/706,432.41
  6. Step 6: Final answer
    x = 552,713.71

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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.