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Finding the Fourth Proportional to 353,444.70, 530,167.05 and 348,195.90

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Solution

The fourth proportional to 353,444.70, 530,167.05 and 348,195.90 is: 522,293.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,444.70 : 530,167.05 = 348,195.90 : x
  2. Step 2: Convert to fraction form
    353,444.70/530,167.05 = 348,195.90/x
  3. Step 3: Cross multiply
    353,444.70x = 530,167.05 × 348,195.90
  4. Step 4: Simplify right side
    353,444.70x = 184,601,993,125.10
  5. Step 5: Solve for x
    x = 184,601,993,125.10/353,444.70
  6. Step 6: Final answer
    x = 522,293.85

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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.