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Finding the Fourth Proportional to 453,191.40, 679,143.42 and 333,924.84

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Solution

The fourth proportional to 453,191.40, 679,143.42 and 333,924.84 is: 500,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,191.40 : 679,143.42 = 333,924.84 : x
  2. Step 2: Convert to fraction form
    453,191.40/679,143.42 = 333,924.84/x
  3. Step 3: Cross multiply
    453,191.40x = 679,143.42 × 333,924.84
  4. Step 4: Simplify right side
    453,191.40x = 226,782,857,860.55
  5. Step 5: Solve for x
    x = 226,782,857,860.55/453,191.40
  6. Step 6: Final answer
    x = 500,412.98

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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.