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Finding the Fourth Proportional to 706,487.03, 974,977.80 and 404,739.35

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Solution

The fourth proportional to 706,487.03, 974,977.80 and 404,739.35 is: 558,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,487.03 : 974,977.80 = 404,739.35 : x
  2. Step 2: Convert to fraction form
    706,487.03/974,977.80 = 404,739.35/x
  3. Step 3: Cross multiply
    706,487.03x = 974,977.80 × 404,739.35
  4. Step 4: Simplify right side
    706,487.03x = 394,611,881,036.43
  5. Step 5: Solve for x
    x = 394,611,881,036.43/706,487.03
  6. Step 6: Final answer
    x = 558,555.03

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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.