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Finding the Fourth Proportional to 667,106.71, 999,821.72 and 476,575.27

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Solution

The fourth proportional to 667,106.71, 999,821.72 and 476,575.27 is: 714,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,106.71 : 999,821.72 = 476,575.27 : x
  2. Step 2: Convert to fraction form
    667,106.71/999,821.72 = 476,575.27/x
  3. Step 3: Cross multiply
    667,106.71x = 999,821.72 × 476,575.27
  4. Step 4: Simplify right side
    667,106.71x = 476,490,303,777.99
  5. Step 5: Solve for x
    x = 476,490,303,777.99/667,106.71
  6. Step 6: Final answer
    x = 714,264.00

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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.