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Finding the Fourth Proportional to 706,070.66, 974,353.66 and 404,206.34

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Solution

The fourth proportional to 706,070.66, 974,353.66 and 404,206.34 is: 557,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,070.66 : 974,353.66 = 404,206.34 : x
  2. Step 2: Convert to fraction form
    706,070.66/974,353.66 = 404,206.34/x
  3. Step 3: Cross multiply
    706,070.66x = 974,353.66 × 404,206.34
  4. Step 4: Simplify right side
    706,070.66x = 393,839,920,891.92
  5. Step 5: Solve for x
    x = 393,839,920,891.92/706,070.66
  6. Step 6: Final answer
    x = 557,791.09

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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.