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Finding the Fourth Proportional to 404,627.80, 606,941.70 and 194,157.40

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Solution

The fourth proportional to 404,627.80, 606,941.70 and 194,157.40 is: 291,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,627.80 : 606,941.70 = 194,157.40 : x
  2. Step 2: Convert to fraction form
    404,627.80/606,941.70 = 194,157.40/x
  3. Step 3: Cross multiply
    404,627.80x = 606,941.70 × 194,157.40
  4. Step 4: Simplify right side
    404,627.80x = 117,842,222,423.58
  5. Step 5: Solve for x
    x = 117,842,222,423.58/404,627.80
  6. Step 6: Final answer
    x = 291,236.10

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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.