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Finding the Fourth Proportional to 573,094.18, 790,854.24 and 318,438.82

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Solution

The fourth proportional to 573,094.18, 790,854.24 and 318,438.82 is: 439,436.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,094.18 : 790,854.24 = 318,438.82 : x
  2. Step 2: Convert to fraction form
    573,094.18/790,854.24 = 318,438.82/x
  3. Step 3: Cross multiply
    573,094.18x = 790,854.24 × 318,438.82
  4. Step 4: Simplify right side
    573,094.18x = 251,838,690,977.60
  5. Step 5: Solve for x
    x = 251,838,690,977.60/573,094.18
  6. Step 6: Final answer
    x = 439,436.83

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1.5x scale

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.