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Finding the Fourth Proportional to 404,617.80, 606,926.70 and 370,500.60

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Solution

The fourth proportional to 404,617.80, 606,926.70 and 370,500.60 is: 555,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,617.80 : 606,926.70 = 370,500.60 : x
  2. Step 2: Convert to fraction form
    404,617.80/606,926.70 = 370,500.60/x
  3. Step 3: Cross multiply
    404,617.80x = 606,926.70 × 370,500.60
  4. Step 4: Simplify right side
    404,617.80x = 224,866,706,506.02
  5. Step 5: Solve for x
    x = 224,866,706,506.02/404,617.80
  6. Step 6: Final answer
    x = 555,750.90

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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.