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Finding the Fourth Proportional to 459,134.92, 633,602.82 and 257,930.92

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Solution

The fourth proportional to 459,134.92, 633,602.82 and 257,930.92 is: 355,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,134.92 : 633,602.82 = 257,930.92 : x
  2. Step 2: Convert to fraction form
    459,134.92/633,602.82 = 257,930.92/x
  3. Step 3: Cross multiply
    459,134.92x = 633,602.82 × 257,930.92
  4. Step 4: Simplify right side
    459,134.92x = 163,425,758,277.19
  5. Step 5: Solve for x
    x = 163,425,758,277.19/459,134.92
  6. Step 6: Final answer
    x = 355,942.78

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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.