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Finding the Fourth Proportional to 587,347.80, 881,021.70 and 166,637.40

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Solution

The fourth proportional to 587,347.80, 881,021.70 and 166,637.40 is: 249,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,347.80 : 881,021.70 = 166,637.40 : x
  2. Step 2: Convert to fraction form
    587,347.80/881,021.70 = 166,637.40/x
  3. Step 3: Cross multiply
    587,347.80x = 881,021.70 × 166,637.40
  4. Step 4: Simplify right side
    587,347.80x = 146,811,165,431.58
  5. Step 5: Solve for x
    x = 146,811,165,431.58/587,347.80
  6. Step 6: Final answer
    x = 249,956.10

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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.