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Finding the Fourth Proportional to 292,025.66, 403,177.84 and 223,911.71

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Solution

The fourth proportional to 292,025.66, 403,177.84 and 223,911.71 is: 309,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,025.66 : 403,177.84 = 223,911.71 : x
  2. Step 2: Convert to fraction form
    292,025.66/403,177.84 = 223,911.71/x
  3. Step 3: Cross multiply
    292,025.66x = 403,177.84 × 223,911.71
  4. Step 4: Simplify right side
    292,025.66x = 90,276,238,524.75
  5. Step 5: Solve for x
    x = 90,276,238,524.75/292,025.66
  6. Step 6: Final answer
    x = 309,138.04

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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.