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Finding the Fourth Proportional to 366,904.98, 550,384.80 and 130,216.90

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Solution

The fourth proportional to 366,904.98, 550,384.80 and 130,216.90 is: 195,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,904.98 : 550,384.80 = 130,216.90 : x
  2. Step 2: Convert to fraction form
    366,904.98/550,384.80 = 130,216.90/x
  3. Step 3: Cross multiply
    366,904.98x = 550,384.80 × 130,216.90
  4. Step 4: Simplify right side
    366,904.98x = 71,669,402,463.12
  5. Step 5: Solve for x
    x = 71,669,402,463.12/366,904.98
  6. Step 6: Final answer
    x = 195,335.05

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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.