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Finding the Fourth Proportional to 370,779.86, 556,212.99 and 134,233.94

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Solution

The fourth proportional to 370,779.86, 556,212.99 and 134,233.94 is: 201,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,779.86 : 556,212.99 = 134,233.94 : x
  2. Step 2: Convert to fraction form
    370,779.86/556,212.99 = 134,233.94/x
  3. Step 3: Cross multiply
    370,779.86x = 556,212.99 × 134,233.94
  4. Step 4: Simplify right side
    370,779.86x = 74,662,661,126.88
  5. Step 5: Solve for x
    x = 74,662,661,126.88/370,779.86
  6. Step 6: Final answer
    x = 201,366.55

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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.