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Finding the Fourth Proportional to 554,471.12, 831,809.05 and 175,487.11

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Solution

The fourth proportional to 554,471.12, 831,809.05 and 175,487.11 is: 263,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,471.12 : 831,809.05 = 175,487.11 : x
  2. Step 2: Convert to fraction form
    554,471.12/831,809.05 = 175,487.11/x
  3. Step 3: Cross multiply
    554,471.12x = 831,809.05 × 175,487.11
  4. Step 4: Simplify right side
    554,471.12x = 145,971,763,738.11
  5. Step 5: Solve for x
    x = 145,971,763,738.11/554,471.12
  6. Step 6: Final answer
    x = 263,263.06

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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.