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Finding the Fourth Proportional to 554,467.80, 831,701.70 and 414,499.80

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Solution

The fourth proportional to 554,467.80, 831,701.70 and 414,499.80 is: 621,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,467.80 : 831,701.70 = 414,499.80 : x
  2. Step 2: Convert to fraction form
    554,467.80/831,701.70 = 414,499.80/x
  3. Step 3: Cross multiply
    554,467.80x = 831,701.70 × 414,499.80
  4. Step 4: Simplify right side
    554,467.80x = 344,740,188,309.66
  5. Step 5: Solve for x
    x = 344,740,188,309.66/554,467.80
  6. Step 6: Final answer
    x = 621,749.70

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1.5x scale

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.