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Finding the Fourth Proportional to 587,614.40, 881,421.60 and 536,004.80

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Solution

The fourth proportional to 587,614.40, 881,421.60 and 536,004.80 is: 804,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,614.40 : 881,421.60 = 536,004.80 : x
  2. Step 2: Convert to fraction form
    587,614.40/881,421.60 = 536,004.80/x
  3. Step 3: Cross multiply
    587,614.40x = 881,421.60 × 536,004.80
  4. Step 4: Simplify right side
    587,614.40x = 472,446,208,423.68
  5. Step 5: Solve for x
    x = 472,446,208,423.68/587,614.40
  6. Step 6: Final answer
    x = 804,007.20

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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.