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Finding the Fourth Proportional to 554,267.81, 831,417.21 and 180,290.81

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Solution

The fourth proportional to 554,267.81, 831,417.21 and 180,290.81 is: 270,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,267.81 : 831,417.21 = 180,290.81 : x
  2. Step 2: Convert to fraction form
    554,267.81/831,417.21 = 180,290.81/x
  3. Step 3: Cross multiply
    554,267.81x = 831,417.21 × 180,290.81
  4. Step 4: Simplify right side
    554,267.81x = 149,896,884,317.38
  5. Step 5: Solve for x
    x = 149,896,884,317.38/554,267.81
  6. Step 6: Final answer
    x = 270,441.26

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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.