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Finding the Fourth Proportional to 295,958.10, 443,969.55 and 286,626.90

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Solution

The fourth proportional to 295,958.10, 443,969.55 and 286,626.90 is: 429,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,958.10 : 443,969.55 = 286,626.90 : x
  2. Step 2: Convert to fraction form
    295,958.10/443,969.55 = 286,626.90/x
  3. Step 3: Cross multiply
    295,958.10x = 443,969.55 × 286,626.90
  4. Step 4: Simplify right side
    295,958.10x = 127,253,615,810.90
  5. Step 5: Solve for x
    x = 127,253,615,810.90/295,958.10
  6. Step 6: Final answer
    x = 429,971.73

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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.