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Finding the Fourth Proportional to 297,477.40, 444,920.10 and 266,114.20

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Solution

The fourth proportional to 297,477.40, 444,920.10 and 266,114.20 is: 398,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,477.40 : 444,920.10 = 266,114.20 : x
  2. Step 2: Convert to fraction form
    297,477.40/444,920.10 = 266,114.20/x
  3. Step 3: Cross multiply
    297,477.40x = 444,920.10 × 266,114.20
  4. Step 4: Simplify right side
    297,477.40x = 118,399,556,475.42
  5. Step 5: Solve for x
    x = 118,399,556,475.42/297,477.40
  6. Step 6: Final answer
    x = 398,011.94

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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.