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Finding the Fourth Proportional to 587,528.88, 881,021.16 and 474,932.40

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Solution

The fourth proportional to 587,528.88, 881,021.16 and 474,932.40 is: 712,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,528.88 : 881,021.16 = 474,932.40 : x
  2. Step 2: Convert to fraction form
    587,528.88/881,021.16 = 474,932.40/x
  3. Step 3: Cross multiply
    587,528.88x = 881,021.16 × 474,932.40
  4. Step 4: Simplify right side
    587,528.88x = 418,425,493,969.58
  5. Step 5: Solve for x
    x = 418,425,493,969.58/587,528.88
  6. Step 6: Final answer
    x = 712,178.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.