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Finding the Fourth Proportional to 569,230.20, 853,845.30 and 345,281.40

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Solution

The fourth proportional to 569,230.20, 853,845.30 and 345,281.40 is: 517,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,230.20 : 853,845.30 = 345,281.40 : x
  2. Step 2: Convert to fraction form
    569,230.20/853,845.30 = 345,281.40/x
  3. Step 3: Cross multiply
    569,230.20x = 853,845.30 × 345,281.40
  4. Step 4: Simplify right side
    569,230.20x = 294,816,900,567.42
  5. Step 5: Solve for x
    x = 294,816,900,567.42/569,230.20
  6. Step 6: Final answer
    x = 517,922.10

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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.