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Finding the Fourth Proportional to 499,596.03, 748,729.71 and 432,723.03

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Solution

The fourth proportional to 499,596.03, 748,729.71 and 432,723.03 is: 648,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,596.03 : 748,729.71 = 432,723.03 : x
  2. Step 2: Convert to fraction form
    499,596.03/748,729.71 = 432,723.03/x
  3. Step 3: Cross multiply
    499,596.03x = 748,729.71 × 432,723.03
  4. Step 4: Simplify right side
    499,596.03x = 323,992,588,762.22
  5. Step 5: Solve for x
    x = 323,992,588,762.22/499,596.03
  6. Step 6: Final answer
    x = 648,509.13

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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.