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Finding the Fourth Proportional to 1,166,604.03, 1,609,912.80 and 630,060.03

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Solution

The fourth proportional to 1,166,604.03, 1,609,912.80 and 630,060.03 is: 869,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,604.03 : 1,609,912.80 = 630,060.03 : x
  2. Step 2: Convert to fraction form
    1,166,604.03/1,609,912.80 = 630,060.03/x
  3. Step 3: Cross multiply
    1,166,604.03x = 1,609,912.80 × 630,060.03
  4. Step 4: Simplify right side
    1,166,604.03x = 1,014,341,707,065.38
  5. Step 5: Solve for x
    x = 1,014,341,707,065.38/1,166,604.03
  6. Step 6: Final answer
    x = 869,482.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.