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Finding the Fourth Proportional to 706,488.03, 974,979.18 and 404,740.35

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Solution

The fourth proportional to 706,488.03, 974,979.18 and 404,740.35 is: 558,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,488.03 : 974,979.18 = 404,740.35 : x
  2. Step 2: Convert to fraction form
    706,488.03/974,979.18 = 404,740.35/x
  3. Step 3: Cross multiply
    706,488.03x = 974,979.18 × 404,740.35
  4. Step 4: Simplify right side
    706,488.03x = 394,613,414,555.91
  5. Step 5: Solve for x
    x = 394,613,414,555.91/706,488.03
  6. Step 6: Final answer
    x = 558,556.41

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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.