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Finding the Fourth Proportional to 591,140.04, 815,685 and 332,980.08

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Solution

The fourth proportional to 591,140.04, 815,685 and 332,980.08 is: 459,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,140.04 : 815,685 = 332,980.08 : x
  2. Step 2: Convert to fraction form
    591,140.04/815,685 = 332,980.08/x
  3. Step 3: Cross multiply
    591,140.04x = 815,685 × 332,980.08
  4. Step 4: Simplify right side
    591,140.04x = 271,606,856,554.80
  5. Step 5: Solve for x
    x = 271,606,856,554.80/591,140.04
  6. Step 6: Final answer
    x = 459,462.80

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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.