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Finding the Fourth Proportional to 955,539.28, 1,433,516.28 and 290,674

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Solution

The fourth proportional to 955,539.28, 1,433,516.28 and 290,674 is: 436,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,539.28 : 1,433,516.28 = 290,674 : x
  2. Step 2: Convert to fraction form
    955,539.28/1,433,516.28 = 290,674/x
  3. Step 3: Cross multiply
    955,539.28x = 1,433,516.28 × 290,674
  4. Step 4: Simplify right side
    955,539.28x = 416,685,911,172.72
  5. Step 5: Solve for x
    x = 416,685,911,172.72/955,539.28
  6. Step 6: Final answer
    x = 436,074.08

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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.