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Finding the Fourth Proportional to 589,562.09, 813,550.94 and 331,397.98

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Solution

The fourth proportional to 589,562.09, 813,550.94 and 331,397.98 is: 457,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,562.09 : 813,550.94 = 331,397.98 : x
  2. Step 2: Convert to fraction form
    589,562.09/813,550.94 = 331,397.98/x
  3. Step 3: Cross multiply
    589,562.09x = 813,550.94 × 331,397.98
  4. Step 4: Simplify right side
    589,562.09x = 269,609,140,271.20
  5. Step 5: Solve for x
    x = 269,609,140,271.20/589,562.09
  6. Step 6: Final answer
    x = 457,304.06

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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.