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Finding the Fourth Proportional to 556,273.43, 767,672.42 and 314,592.14

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Solution

The fourth proportional to 556,273.43, 767,672.42 and 314,592.14 is: 434,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,273.43 : 767,672.42 = 314,592.14 : x
  2. Step 2: Convert to fraction form
    556,273.43/767,672.42 = 314,592.14/x
  3. Step 3: Cross multiply
    556,273.43x = 767,672.42 × 314,592.14
  4. Step 4: Simplify right side
    556,273.43x = 241,503,709,426.78
  5. Step 5: Solve for x
    x = 241,503,709,426.78/556,273.43
  6. Step 6: Final answer
    x = 434,145.69

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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.