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Finding the Fourth Proportional to 534,573.81, 737,711.73 and 319,713.89

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Solution

The fourth proportional to 534,573.81, 737,711.73 and 319,713.89 is: 441,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,573.81 : 737,711.73 = 319,713.89 : x
  2. Step 2: Convert to fraction form
    534,573.81/737,711.73 = 319,713.89/x
  3. Step 3: Cross multiply
    534,573.81x = 737,711.73 × 319,713.89
  4. Step 4: Simplify right side
    534,573.81x = 235,856,683,208.37
  5. Step 5: Solve for x
    x = 235,856,683,208.37/534,573.81
  6. Step 6: Final answer
    x = 441,205.08

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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.