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Finding the Fourth Proportional to 459,607.52, 634,296.69 and 255,696.86

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Solution

The fourth proportional to 459,607.52, 634,296.69 and 255,696.86 is: 352,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,607.52 : 634,296.69 = 255,696.86 : x
  2. Step 2: Convert to fraction form
    459,607.52/634,296.69 = 255,696.86/x
  3. Step 3: Cross multiply
    459,607.52x = 634,296.69 × 255,696.86
  4. Step 4: Simplify right side
    459,607.52x = 162,187,668,769.91
  5. Step 5: Solve for x
    x = 162,187,668,769.91/459,607.52
  6. Step 6: Final answer
    x = 352,882.98

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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.