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Finding the Fourth Proportional to 432,903.04, 648,684.64 and 300,042.88

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Solution

The fourth proportional to 432,903.04, 648,684.64 and 300,042.88 is: 449,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,903.04 : 648,684.64 = 300,042.88 : x
  2. Step 2: Convert to fraction form
    432,903.04/648,684.64 = 300,042.88/x
  3. Step 3: Cross multiply
    432,903.04x = 648,684.64 × 300,042.88
  4. Step 4: Simplify right side
    432,903.04x = 194,633,207,597.36
  5. Step 5: Solve for x
    x = 194,633,207,597.36/432,903.04
  6. Step 6: Final answer
    x = 449,600.00

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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.