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Finding the Fourth Proportional to 534,414.59, 737,497.34 and 319,554.66

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Solution

The fourth proportional to 534,414.59, 737,497.34 and 319,554.66 is: 440,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,414.59 : 737,497.34 = 319,554.66 : x
  2. Step 2: Convert to fraction form
    534,414.59/737,497.34 = 319,554.66/x
  3. Step 3: Cross multiply
    534,414.59x = 737,497.34 × 319,554.66
  4. Step 4: Simplify right side
    534,414.59x = 235,670,711,734.60
  5. Step 5: Solve for x
    x = 235,670,711,734.60/534,414.59
  6. Step 6: Final answer
    x = 440,988.54

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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.