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Finding the Fourth Proportional to 353,807.01, 530,219.52 and 161,210.76

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Solution

The fourth proportional to 353,807.01, 530,219.52 and 161,210.76 is: 241,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,807.01 : 530,219.52 = 161,210.76 : x
  2. Step 2: Convert to fraction form
    353,807.01/530,219.52 = 161,210.76/x
  3. Step 3: Cross multiply
    353,807.01x = 530,219.52 × 161,210.76
  4. Step 4: Simplify right side
    353,807.01x = 85,477,092,189.06
  5. Step 5: Solve for x
    x = 85,477,092,189.06/353,807.01
  6. Step 6: Final answer
    x = 241,592.42

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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.