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Finding the Fourth Proportional to 706,858.09, 975,481.01 and 400,955.11

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Solution

The fourth proportional to 706,858.09, 975,481.01 and 400,955.11 is: 553,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,858.09 : 975,481.01 = 400,955.11 : x
  2. Step 2: Convert to fraction form
    706,858.09/975,481.01 = 400,955.11/x
  3. Step 3: Cross multiply
    706,858.09x = 975,481.01 × 400,955.11
  4. Step 4: Simplify right side
    706,858.09x = 391,124,094,231.15
  5. Step 5: Solve for x
    x = 391,124,094,231.15/706,858.09
  6. Step 6: Final answer
    x = 553,327.61

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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.