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Finding the Fourth Proportional to 328,903.08, 453,853.54 and 185,635.52

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Solution

The fourth proportional to 328,903.08, 453,853.54 and 185,635.52 is: 256,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,903.08 : 453,853.54 = 185,635.52 : x
  2. Step 2: Convert to fraction form
    328,903.08/453,853.54 = 185,635.52/x
  3. Step 3: Cross multiply
    328,903.08x = 453,853.54 × 185,635.52
  4. Step 4: Simplify right side
    328,903.08x = 84,251,337,901.74
  5. Step 5: Solve for x
    x = 84,251,337,901.74/328,903.08
  6. Step 6: Final answer
    x = 256,158.56

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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.