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Finding the Fourth Proportional to 573,447.37, 791,377.72 and 315,344.11

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Solution

The fourth proportional to 573,447.37, 791,377.72 and 315,344.11 is: 435,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,447.37 : 791,377.72 = 315,344.11 : x
  2. Step 2: Convert to fraction form
    573,447.37/791,377.72 = 315,344.11/x
  3. Step 3: Cross multiply
    573,447.37x = 791,377.72 × 315,344.11
  4. Step 4: Simplify right side
    573,447.37x = 249,556,302,787.23
  5. Step 5: Solve for x
    x = 249,556,302,787.23/573,447.37
  6. Step 6: Final answer
    x = 435,186.06

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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.