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Finding the Fourth Proportional to 626,104, 939,303.43 and 498,502.90

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Solution

The fourth proportional to 626,104, 939,303.43 and 498,502.90 is: 747,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,104 : 939,303.43 = 498,502.90 : x
  2. Step 2: Convert to fraction form
    626,104/939,303.43 = 498,502.90/x
  3. Step 3: Cross multiply
    626,104x = 939,303.43 × 498,502.90
  4. Step 4: Simplify right side
    626,104x = 468,245,483,834.95
  5. Step 5: Solve for x
    x = 468,245,483,834.95/626,104
  6. Step 6: Final answer
    x = 747,871.73

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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.