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Finding the Fourth Proportional to 591,618.40, 886,115.40 and 512,886.40

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Solution

The fourth proportional to 591,618.40, 886,115.40 and 512,886.40 is: 768,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,618.40 : 886,115.40 = 512,886.40 : x
  2. Step 2: Convert to fraction form
    591,618.40/886,115.40 = 512,886.40/x
  3. Step 3: Cross multiply
    591,618.40x = 886,115.40 × 512,886.40
  4. Step 4: Simplify right side
    591,618.40x = 454,476,537,490.56
  5. Step 5: Solve for x
    x = 454,476,537,490.56/591,618.40
  6. Step 6: Final answer
    x = 768,192.03

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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.