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Finding the Fourth Proportional to 670,661.04, 1,005,994 and 637,024.96

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Solution

The fourth proportional to 670,661.04, 1,005,994 and 637,024.96 is: 955,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,661.04 : 1,005,994 = 637,024.96 : x
  2. Step 2: Convert to fraction form
    670,661.04/1,005,994 = 637,024.96/x
  3. Step 3: Cross multiply
    670,661.04x = 1,005,994 × 637,024.96
  4. Step 4: Simplify right side
    670,661.04x = 640,843,287,610.24
  5. Step 5: Solve for x
    x = 640,843,287,610.24/670,661.04
  6. Step 6: Final answer
    x = 955,539.76

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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.