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Finding the Fourth Proportional to 365,782.20, 548,673.30 and 341,206.20

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Solution

The fourth proportional to 365,782.20, 548,673.30 and 341,206.20 is: 511,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,782.20 : 548,673.30 = 341,206.20 : x
  2. Step 2: Convert to fraction form
    365,782.20/548,673.30 = 341,206.20/x
  3. Step 3: Cross multiply
    365,782.20x = 548,673.30 × 341,206.20
  4. Step 4: Simplify right side
    365,782.20x = 187,210,731,734.46
  5. Step 5: Solve for x
    x = 187,210,731,734.46/365,782.20
  6. Step 6: Final answer
    x = 511,809.30

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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.