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Finding the Fourth Proportional to 442,034.10, 663,051.15 and 353,460.60

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Solution

The fourth proportional to 442,034.10, 663,051.15 and 353,460.60 is: 530,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,034.10 : 663,051.15 = 353,460.60 : x
  2. Step 2: Convert to fraction form
    442,034.10/663,051.15 = 353,460.60/x
  3. Step 3: Cross multiply
    442,034.10x = 663,051.15 × 353,460.60
  4. Step 4: Simplify right side
    442,034.10x = 234,362,457,309.69
  5. Step 5: Solve for x
    x = 234,362,457,309.69/442,034.10
  6. Step 6: Final answer
    x = 530,190.90

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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.