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Finding the Fourth Proportional to 423,048.69, 635,114.12 and 363,458.48

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Solution

The fourth proportional to 423,048.69, 635,114.12 and 363,458.48 is: 545,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,048.69 : 635,114.12 = 363,458.48 : x
  2. Step 2: Convert to fraction form
    423,048.69/635,114.12 = 363,458.48/x
  3. Step 3: Cross multiply
    423,048.69x = 635,114.12 × 363,458.48
  4. Step 4: Simplify right side
    423,048.69x = 230,837,607,688.88
  5. Step 5: Solve for x
    x = 230,837,607,688.88/423,048.69
  6. Step 6: Final answer
    x = 545,652.58

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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.