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Finding the Fourth Proportional to 423,051.69, 635,118.63 and 363,461.49

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Solution

The fourth proportional to 423,051.69, 635,118.63 and 363,461.49 is: 545,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,051.69 : 635,118.63 = 363,461.49 : x
  2. Step 2: Convert to fraction form
    423,051.69/635,118.63 = 363,461.49/x
  3. Step 3: Cross multiply
    423,051.69x = 635,118.63 × 363,461.49
  4. Step 4: Simplify right side
    423,051.69x = 230,841,163,586.56
  5. Step 5: Solve for x
    x = 230,841,163,586.56/423,051.69
  6. Step 6: Final answer
    x = 545,657.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.