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Finding the Fourth Proportional to 554,297.70, 831,446.55 and 549,048.90

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Solution

The fourth proportional to 554,297.70, 831,446.55 and 549,048.90 is: 823,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,297.70 : 831,446.55 = 549,048.90 : x
  2. Step 2: Convert to fraction form
    554,297.70/831,446.55 = 549,048.90/x
  3. Step 3: Cross multiply
    554,297.70x = 831,446.55 × 549,048.90
  4. Step 4: Simplify right side
    554,297.70x = 456,504,813,686.30
  5. Step 5: Solve for x
    x = 456,504,813,686.30/554,297.70
  6. Step 6: Final answer
    x = 823,573.35

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Similar ratio
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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.