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Finding the Fourth Proportional to 573,367.58, 791,230.49 and 315,244.28

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Solution

The fourth proportional to 573,367.58, 791,230.49 and 315,244.28 is: 435,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,367.58 : 791,230.49 = 315,244.28 : x
  2. Step 2: Convert to fraction form
    573,367.58/791,230.49 = 315,244.28/x
  3. Step 3: Cross multiply
    573,367.58x = 791,230.49 × 315,244.28
  4. Step 4: Simplify right side
    573,367.58x = 249,430,886,134.10
  5. Step 5: Solve for x
    x = 249,430,886,134.10/573,367.58
  6. Step 6: Final answer
    x = 435,027.89

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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.