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Finding the Fourth Proportional to 551,482.40, 827,223.60 and 235,971.20

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Solution

The fourth proportional to 551,482.40, 827,223.60 and 235,971.20 is: 353,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,482.40 : 827,223.60 = 235,971.20 : x
  2. Step 2: Convert to fraction form
    551,482.40/827,223.60 = 235,971.20/x
  3. Step 3: Cross multiply
    551,482.40x = 827,223.60 × 235,971.20
  4. Step 4: Simplify right side
    551,482.40x = 195,200,945,560.32
  5. Step 5: Solve for x
    x = 195,200,945,560.32/551,482.40
  6. Step 6: Final answer
    x = 353,956.80

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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.