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Finding the Fourth Proportional to 630,751.43, 946,277.80 and 210,030.95

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Solution

The fourth proportional to 630,751.43, 946,277.80 and 210,030.95 is: 315,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,751.43 : 946,277.80 = 210,030.95 : x
  2. Step 2: Convert to fraction form
    630,751.43/946,277.80 = 210,030.95/x
  3. Step 3: Cross multiply
    630,751.43x = 946,277.80 × 210,030.95
  4. Step 4: Simplify right side
    630,751.43x = 198,747,620,041.44
  5. Step 5: Solve for x
    x = 198,747,620,041.44/630,751.43
  6. Step 6: Final answer
    x = 315,096.59

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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.