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Finding the Fourth Proportional to 328,930.59, 453,925.59 and 178,027.59

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Solution

The fourth proportional to 328,930.59, 453,925.59 and 178,027.59 is: 245,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,930.59 : 453,925.59 = 178,027.59 : x
  2. Step 2: Convert to fraction form
    328,930.59/453,925.59 = 178,027.59/x
  3. Step 3: Cross multiply
    328,930.59x = 453,925.59 × 178,027.59
  4. Step 4: Simplify right side
    328,930.59x = 80,811,278,827.03
  5. Step 5: Solve for x
    x = 80,811,278,827.03/328,930.59
  6. Step 6: Final answer
    x = 245,678.82

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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.