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Finding the Fourth Proportional to 573,094.56, 790,835.76 and 318,437.04

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Solution

The fourth proportional to 573,094.56, 790,835.76 and 318,437.04 is: 439,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,094.56 : 790,835.76 = 318,437.04 : x
  2. Step 2: Convert to fraction form
    573,094.56/790,835.76 = 318,437.04/x
  3. Step 3: Cross multiply
    573,094.56x = 790,835.76 × 318,437.04
  4. Step 4: Simplify right side
    573,094.56x = 251,831,398,540.55
  5. Step 5: Solve for x
    x = 251,831,398,540.55/573,094.56
  6. Step 6: Final answer
    x = 439,423.82

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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.