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Finding the Fourth Proportional to 554,411.04, 831,609.24 and 133,683.24

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Solution

The fourth proportional to 554,411.04, 831,609.24 and 133,683.24 is: 200,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,411.04 : 831,609.24 = 133,683.24 : x
  2. Step 2: Convert to fraction form
    554,411.04/831,609.24 = 133,683.24/x
  3. Step 3: Cross multiply
    554,411.04x = 831,609.24 × 133,683.24
  4. Step 4: Simplify right side
    554,411.04x = 111,172,217,617.14
  5. Step 5: Solve for x
    x = 111,172,217,617.14/554,411.04
  6. Step 6: Final answer
    x = 200,523.09

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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.