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Finding the Fourth Proportional to 573,373.95, 791,207.37 and 315,236.94

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Solution

The fourth proportional to 573,373.95, 791,207.37 and 315,236.94 is: 435,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,373.95 : 791,207.37 = 315,236.94 : x
  2. Step 2: Convert to fraction form
    573,373.95/791,207.37 = 315,236.94/x
  3. Step 3: Cross multiply
    573,373.95x = 791,207.37 × 315,236.94
  4. Step 4: Simplify right side
    573,373.95x = 249,417,790,224.25
  5. Step 5: Solve for x
    x = 249,417,790,224.25/573,373.95
  6. Step 6: Final answer
    x = 435,000.21

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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.