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Finding the Fourth Proportional to 404,682.80, 607,024.20 and 194,212.40

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Solution

The fourth proportional to 404,682.80, 607,024.20 and 194,212.40 is: 291,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,682.80 : 607,024.20 = 194,212.40 : x
  2. Step 2: Convert to fraction form
    404,682.80/607,024.20 = 194,212.40/x
  3. Step 3: Cross multiply
    404,682.80x = 607,024.20 × 194,212.40
  4. Step 4: Simplify right side
    404,682.80x = 117,891,626,740.08
  5. Step 5: Solve for x
    x = 117,891,626,740.08/404,682.80
  6. Step 6: Final answer
    x = 291,318.60

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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.