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Finding the Fourth Proportional to 530,869.80, 796,304.70 and 331,804.20

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Solution

The fourth proportional to 530,869.80, 796,304.70 and 331,804.20 is: 497,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,869.80 : 796,304.70 = 331,804.20 : x
  2. Step 2: Convert to fraction form
    530,869.80/796,304.70 = 331,804.20/x
  3. Step 3: Cross multiply
    530,869.80x = 796,304.70 × 331,804.20
  4. Step 4: Simplify right side
    530,869.80x = 264,217,243,939.74
  5. Step 5: Solve for x
    x = 264,217,243,939.74/530,869.80
  6. Step 6: Final answer
    x = 497,706.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.