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Finding the Fourth Proportional to 662,651.30, 991,644.15 and 606,664.10

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Solution

The fourth proportional to 662,651.30, 991,644.15 and 606,664.10 is: 907,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,651.30 : 991,644.15 = 606,664.10 : x
  2. Step 2: Convert to fraction form
    662,651.30/991,644.15 = 606,664.10/x
  3. Step 3: Cross multiply
    662,651.30x = 991,644.15 × 606,664.10
  4. Step 4: Simplify right side
    662,651.30x = 601,594,905,780.02
  5. Step 5: Solve for x
    x = 601,594,905,780.02/662,651.30
  6. Step 6: Final answer
    x = 907,860.45

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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.