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Finding the Fourth Proportional to 644,851.20, 967,276.80 and 530,689.80

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Solution

The fourth proportional to 644,851.20, 967,276.80 and 530,689.80 is: 796,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,851.20 : 967,276.80 = 530,689.80 : x
  2. Step 2: Convert to fraction form
    644,851.20/967,276.80 = 530,689.80/x
  3. Step 3: Cross multiply
    644,851.20x = 967,276.80 × 530,689.80
  4. Step 4: Simplify right side
    644,851.20x = 513,323,931,536.64
  5. Step 5: Solve for x
    x = 513,323,931,536.64/644,851.20
  6. Step 6: Final answer
    x = 796,034.70

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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.