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Finding the Fourth Proportional to 706,157.59, 974,260.26 and 400,209.94

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Solution

The fourth proportional to 706,157.59, 974,260.26 and 400,209.94 is: 552,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,157.59 : 974,260.26 = 400,209.94 : x
  2. Step 2: Convert to fraction form
    706,157.59/974,260.26 = 400,209.94/x
  3. Step 3: Cross multiply
    706,157.59x = 974,260.26 × 400,209.94
  4. Step 4: Simplify right side
    706,157.59x = 389,908,640,198.98
  5. Step 5: Solve for x
    x = 389,908,640,198.98/706,157.59
  6. Step 6: Final answer
    x = 552,155.28

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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.