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Finding the Fourth Proportional to 591,097.20, 886,645.80 and 514,114.80

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Solution

The fourth proportional to 591,097.20, 886,645.80 and 514,114.80 is: 771,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,097.20 : 886,645.80 = 514,114.80 : x
  2. Step 2: Convert to fraction form
    591,097.20/886,645.80 = 514,114.80/x
  3. Step 3: Cross multiply
    591,097.20x = 886,645.80 × 514,114.80
  4. Step 4: Simplify right side
    591,097.20x = 455,837,728,137.84
  5. Step 5: Solve for x
    x = 455,837,728,137.84/591,097.20
  6. Step 6: Final answer
    x = 771,172.20

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Double scale
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Similar ratio
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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.