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Finding the Fourth Proportional to 506,410.44, 699,022.22 and 291,636.08

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Solution

The fourth proportional to 506,410.44, 699,022.22 and 291,636.08 is: 402,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,410.44 : 699,022.22 = 291,636.08 : x
  2. Step 2: Convert to fraction form
    506,410.44/699,022.22 = 291,636.08/x
  3. Step 3: Cross multiply
    506,410.44x = 699,022.22 × 291,636.08
  4. Step 4: Simplify right side
    506,410.44x = 203,860,100,073.70
  5. Step 5: Solve for x
    x = 203,860,100,073.70/506,410.44
  6. Step 6: Final answer
    x = 402,559.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.