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Finding the Fourth Proportional to 551,177.40, 826,766.10 and 235,666.20

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Solution

The fourth proportional to 551,177.40, 826,766.10 and 235,666.20 is: 353,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,177.40 : 826,766.10 = 235,666.20 : x
  2. Step 2: Convert to fraction form
    551,177.40/826,766.10 = 235,666.20/x
  3. Step 3: Cross multiply
    551,177.40x = 826,766.10 × 235,666.20
  4. Step 4: Simplify right side
    551,177.40x = 194,840,825,075.82
  5. Step 5: Solve for x
    x = 194,840,825,075.82/551,177.40
  6. Step 6: Final answer
    x = 353,499.30

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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.