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Finding the Fourth Proportional to 291,535.50, 436,597.95 and 141,404.04

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Solution

The fourth proportional to 291,535.50, 436,597.95 and 141,404.04 is: 211,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,535.50 : 436,597.95 = 141,404.04 : x
  2. Step 2: Convert to fraction form
    291,535.50/436,597.95 = 141,404.04/x
  3. Step 3: Cross multiply
    291,535.50x = 436,597.95 × 141,404.04
  4. Step 4: Simplify right side
    291,535.50x = 61,736,713,985.72
  5. Step 5: Solve for x
    x = 61,736,713,985.72/291,535.50
  6. Step 6: Final answer
    x = 211,763.97

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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.