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Finding the Fourth Proportional to 358,577.69, 537,741.05 and 105,791.00

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Solution

The fourth proportional to 358,577.69, 537,741.05 and 105,791.00 is: 158,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,577.69 : 537,741.05 = 105,791.00 : x
  2. Step 2: Convert to fraction form
    358,577.69/537,741.05 = 105,791.00/x
  3. Step 3: Cross multiply
    358,577.69x = 537,741.05 × 105,791.00
  4. Step 4: Simplify right side
    358,577.69x = 56,888,160,202.89
  5. Step 5: Solve for x
    x = 56,888,160,202.89/358,577.69
  6. Step 6: Final answer
    x = 158,649.47

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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.