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Finding the Fourth Proportional to 313,886.40, 433,164.96 and 184,830.48

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Solution

The fourth proportional to 313,886.40, 433,164.96 and 184,830.48 is: 255,067.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,886.40 : 433,164.96 = 184,830.48 : x
  2. Step 2: Convert to fraction form
    313,886.40/433,164.96 = 184,830.48/x
  3. Step 3: Cross multiply
    313,886.40x = 433,164.96 × 184,830.48
  4. Step 4: Simplify right side
    313,886.40x = 80,062,087,475.98
  5. Step 5: Solve for x
    x = 80,062,087,475.98/313,886.40
  6. Step 6: Final answer
    x = 255,067.08

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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.