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Finding the Fourth Proportional to 554,614.59, 831,921.93 and 180,637.59

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Solution

The fourth proportional to 554,614.59, 831,921.93 and 180,637.59 is: 270,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,614.59 : 831,921.93 = 180,637.59 : x
  2. Step 2: Convert to fraction form
    554,614.59/831,921.93 = 180,637.59/x
  3. Step 3: Cross multiply
    554,614.59x = 831,921.93 × 180,637.59
  4. Step 4: Simplify right side
    554,614.59x = 150,276,372,503.35
  5. Step 5: Solve for x
    x = 150,276,372,503.35/554,614.59
  6. Step 6: Final answer
    x = 270,956.40

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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.