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Finding the Fourth Proportional to 706,461.04, 974,941.82 and 404,713.36

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Solution

The fourth proportional to 706,461.04, 974,941.82 and 404,713.36 is: 558,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,461.04 : 974,941.82 = 404,713.36 : x
  2. Step 2: Convert to fraction form
    706,461.04/974,941.82 = 404,713.36/x
  3. Step 3: Cross multiply
    706,461.04x = 974,941.82 × 404,713.36
  4. Step 4: Simplify right side
    706,461.04x = 394,571,979,776.72
  5. Step 5: Solve for x
    x = 394,571,979,776.72/706,461.04
  6. Step 6: Final answer
    x = 558,519.09

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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.