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Finding the Fourth Proportional to 469,937.69, 648,514.52 and 255,077.70

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Solution

The fourth proportional to 469,937.69, 648,514.52 and 255,077.70 is: 352,007.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,937.69 : 648,514.52 = 255,077.70 : x
  2. Step 2: Convert to fraction form
    469,937.69/648,514.52 = 255,077.70/x
  3. Step 3: Cross multiply
    469,937.69x = 648,514.52 × 255,077.70
  4. Step 4: Simplify right side
    469,937.69x = 165,421,590,902.82
  5. Step 5: Solve for x
    x = 165,421,590,902.82/469,937.69
  6. Step 6: Final answer
    x = 352,007.50

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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.