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Finding the Fourth Proportional to 328,505.64, 453,335.58 and 185,266.92

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Solution

The fourth proportional to 328,505.64, 453,335.58 and 185,266.92 is: 255,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,505.64 : 453,335.58 = 185,266.92 : x
  2. Step 2: Convert to fraction form
    328,505.64/453,335.58 = 185,266.92/x
  3. Step 3: Cross multiply
    328,505.64x = 453,335.58 × 185,266.92
  4. Step 4: Simplify right side
    328,505.64x = 83,988,086,633.01
  5. Step 5: Solve for x
    x = 83,988,086,633.01/328,505.64
  6. Step 6: Final answer
    x = 255,667.11

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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.