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Finding the Fourth Proportional to 551,075.40, 826,613.10 and 235,564.20

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Solution

The fourth proportional to 551,075.40, 826,613.10 and 235,564.20 is: 353,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,075.40 : 826,613.10 = 235,564.20 : x
  2. Step 2: Convert to fraction form
    551,075.40/826,613.10 = 235,564.20/x
  3. Step 3: Cross multiply
    551,075.40x = 826,613.10 × 235,564.20
  4. Step 4: Simplify right side
    551,075.40x = 194,720,453,611.02
  5. Step 5: Solve for x
    x = 194,720,453,611.02/551,075.40
  6. Step 6: Final answer
    x = 353,346.30

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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.