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Finding the Fourth Proportional to 432,034.90, 648,052.35 and 363,606.10

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Solution

The fourth proportional to 432,034.90, 648,052.35 and 363,606.10 is: 545,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,034.90 : 648,052.35 = 363,606.10 : x
  2. Step 2: Convert to fraction form
    432,034.90/648,052.35 = 363,606.10/x
  3. Step 3: Cross multiply
    432,034.90x = 648,052.35 × 363,606.10
  4. Step 4: Simplify right side
    432,034.90x = 235,635,787,579.34
  5. Step 5: Solve for x
    x = 235,635,787,579.34/432,034.90
  6. Step 6: Final answer
    x = 545,409.15

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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.